Opel Insignia Owners & Service Manuals

Opel Insignia: Diagnostic Information and Procedures

DTC B3623, B3794, P0564, P0565, P0567, P0568, P056C, P0580, P0581, P0589, P0592, P0593, P155A-P155C, or P162C

Diagnostic Instructions

  • Perform the Diagnostic System Check prior to using this diagnostic procedure: Diagnostic System Check - Vehicle
  • Review the description of Strategy Based Diagnosis: Strategy Based Diagnosis
  • An overview of each diagnostic category can be found here: Diagnostic Procedure Instructions

DTC Descriptor

DTC B3623

Steering Wheel Controls Distance Sensing Cruise Control Gap Up/Down Signal Circuit

DTC B3794

Cruise Control Function Request Circuit

DTC P0564

Cruise Control Multifunction Switch Circuit

DTC P0565

Cruise Control Switch Circuit

DTC P0567

Cruise Control Resume Switch Circuit

DTC P0568

Cruise Control Set Switch Circuit

DTC P056C

Cruise Control Cancel Switch Circuit

DTC P0580

Cruise Control Multifunction Switch Circuit Low Voltage

DTC P0581

Cruise Control Multifunction Switch Circuit High Voltage

DTC P0589

Cruise Control Multifunction Switch 2 Circuit

DTC P0592

Cruise Control Multifunction Switch 2 Circuit Low Voltage

DTC P0593

Cruise Control Multifunction Switch 2 Circuit High Voltage

DTC P155A

Cruise Control Switch State Undetermined

DTC P155B

Cruise Control Set/Coast Switch 2 Circuit

DTC P155C

Cruise Control Resume/Accelerate Switch 2 Circuit

DTC P162C

Vehicle Speed Limiting/Warning Switch Circuit

Symptom Byte Information: Symptom Byte List.

Diagnostic Fault Information

Cruise Control System

Cruise Control System

1.Cruise Control=Malfunction

Typical Scan Tool Data

Body Control Module-Scan Tool Parameters

Cruise Control System

Cruise Control System

Circuit/System Description

For an overview of the component/system, refer to:Cruise Control Description and Operation (Without Adaptive Cruise Control) or Cruise Control Description and Operation (With Adaptive Cruise Control).

Conditions for Running the DTC

  • Ignition/Vehicle=On
  • Vehicle Speed.=Greater than 40 km/h (25 MPH)
  • Cruise Control=On

Frequency the DTC runs=Continuously - After the running conditions are met - For greater than 5 s.

Conditions for Setting the DTC

B3623

Distance Sensing Cruise Control Follow Gap Set Circuit - Invalid Signal Received

B3794, P0564, P0565, P0567, P0568, P056C, P0580, P0581

Cruise Control Switch Circuit - Invalid Signal Received

P0589, P0592, P0593, P155B, P155C

Cruise Control Multifunction Switch 2 Circuit - Invalid Signal Received

P155A

Cruise Control Switch State Undetermined

P162C

Vehicle Speed Limiting/Warning Switch Circuit - Undetermined State

Actions Taken When the DTC Sets

  • Cruise Control System Status=Disabled
  • DTCs listed in the DTC Descriptor Category=Type C DTC

Conditions for Clearing the DTC

DTCs listed in the DTC Descriptor Category=Type C DTC

Reference Information

Schematic Reference

Cruise Control Wiring Schematics

Connector End View Reference

Component Connector End View Index

Electrical Information Reference

  • Circuit Testing
  • Connector Repairs
  • Testing for Intermittent Conditions and Poor Connections
  • Wiring Repairs

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference

Control Module References

Circuit/System Verification

1. Ignition - On / Vehicle - In Service Mode.

2. Verify the component works as specified:Cruise Control Switch Assembly.

3. Refer to:Body Control Module-Scan Tool Parameters in Typical Scan Tool Data.

  • If a condition exists

Refer to Circuit/System Testing.

  • Go to next step: If no condition exists

4. Verify the condition does not exist:Cruise Control System Status=Inhibit by ECM

  • Cruise Control System Status=Inhibit by ECM

If a condition exists - Repair or replace as necessary

  • Go to next step: Cruise Control System Status Inhibit by ECM

5. Verify that no DTC listed in the DTC Descriptor Category is set.

  • If a related DTC is set

Refer to Circuit/System Testing.

  • Go to next step: If a related DTC is not set

6. All OK.

Circuit/System Testing

Cruise Control Switch Signal

1. Ignition/Vehicle & All vehicle systems - Off.

2. Disconnect the component:K9 Body Control Module.

3. Disconnect the component:Cruise Control Switch Assembly.

4. Ignition - On / Vehicle - In Service Mode.

5. Test for less than 1 V between the test points:

  • 12 V Reference circuit & Ground
  • Cruise Control Switch Signal & Ground
  • If 1 V or greater - Repair the short to voltage on the circuit.
  • Go to next step: If less than 1 V

6. Ignition/Vehicle - Off.

7. Test for infinite resistance between the test points:

  • 12 V Reference circuit & Ground
  • Cruise Control Switch Signal & Ground
  • If less than infinite resistance - Repair the short to ground on the circuit.
  • Go to next step: If infinite resistance

8. Test for less than 2 ohms between the test points:

  • 12 V Reference circuit@Component harness & The other end of the circuit@Control module harness
  • Cruise Control Switch Signal@Component harness & The other end of the circuit@Control module harness
  • If 2 ohms or greater - Repair the open/high resistance in the circuit.
  • Go to next step: If less than 2 ohms

9. Test or replace the component:Cruise Control Switch Assembly.

10. Operate the vehicle within the Conditions for Running the DTC. Verify the DTC does not set.

  • If the DTC sets

Replace the component:K9 Body Control Module

  • Go to next step: If the DTC is not set

11. All OK.

Adaptive Cruise Control Gap Up/Down Switch Signal

1. Ignition/Vehicle & All vehicle systems - Off.

2. Disconnect the component:K9 Body Control Module.

3. Disconnect the component:Cruise Control Switch Assembly.

4. Ignition - On / Vehicle - In Service Mode.

5. Test for less than 1 V between the test points:

  • 12 V Reference circuit & Ground
  • Adaptive Cruise Control Gap Up/Down Switch Signal & Ground
  • If 1 V or greater - Repair the short to voltage on the circuit.
  • Go to next step: If less than 1 V

6. Ignition/Vehicle - Off.

7. Test for infinite resistance between the test points:

  • 12 V Reference circuit & Ground
  • Adaptive Cruise Control Gap Up/Down Switch Signal & Ground
  • If less than infinite resistance - Repair the short to ground on the circuit.
  • Go to next step: If infinite resistance

8. Test for less than 2 ohms between the test points:

  • 12 V Reference circuit@Component harness & The other end of the circuit@Control module harness
  • Adaptive Cruise Control Gap Up/Down Switch Signal@Component harness & The other end of the circuit@Control module harness
  • If 2 ohms or greater - Repair the open/high resistance in the circuit.
  • Go to next step: If less than 2 ohms

9. Test or replace the component:Cruise Control Switch Assembly

10. Operate the vehicle within the Conditions for Running the DTC. Verify the DTC does not set.

  • If the DTC sets

Replace the component:K9 Body Control Module

  • Go to next step: If the DTC is not set

11. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification.

For control module replacement, programming, and setup refer to: Control Module References.

DTC P0571

Diagnostic Instructions

  • Perform the Diagnostic System Check prior to using this diagnostic procedure:Diagnostic System Check - Vehicle
  • Review the description of Strategy Based Diagnosis:Strategy Based Diagnosis
  • An overview of each diagnostic category can be found here:Diagnostic Procedure Instructions

DTC Descriptor

DTC P0571

Cruise Control Brake Switch Circuit

Circuit/System Description

  • For an overview of the component/system, refer to:Cruise Control Description and Operation (Without Adaptive Cruise Control) or Cruise Control Description and Operation (With Adaptive Cruise Control)
  • The K20 sends a serial data message to the K9 indicating the B22 function that has been requested.

Conditions for Running the DTC

  • Ignition/Vehicle=On
  • Vehicle Speed.=Greater than 40 km/h (25 MPH)
  • Cruise Control=On

Frequency the DTC runs=Continuously - After the running conditions are met - For greater than 5 s.

Conditions for Setting the DTC

Cruise Control Switch Signal=Invalid Serial Data

Actions Taken When the DTC Sets

DTCs listed in the DTC Descriptor Category=Type C DTC

Conditions for Clearing the DTC

DTCs listed in the DTC Descriptor Category=Type C DTC

Reference Information

Schematic Reference

Cruise Control Wiring Schematics

Connector End View Reference

Component Connector End View Index

Electrical Information Reference

  • Circuit Testing
  • Connector Repairs
  • Testing for Intermittent Conditions and Poor Connections
  • Wiring Repairs

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference

Control Module References

Circuit/System Verification

1. Ignition - On / Vehicle - In Service Mode.

2. Verify there are no other DTCs set, except for DTC P0571.

  • If any other DTCs are set

Refer to:Diagnostic Trouble Code (DTC) List - Vehicle

  • Go to next step: If no other DTCs are set

3. Replace the component:K20 Engine Control Module.

4. Operate the vehicle within the Conditions for Running the DTC. - Verify the DTC does not set.

  • If DTC P0571 is set

Replace the component:K9 Body Control Module

  • Go to next step: If the DTC is not set

5. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification.

For control module replacement, programming, and setup refer to: Control Module References.

DTC P0572 or P0573

Diagnostic Instructions

  • Perform the Diagnostic System Check prior to using this diagnostic procedure: Diagnostic System Check - Vehicle
  • Review the description of Strategy Based Diagnosis:Strategy Based Diagnosis
  • An overview of each diagnostic category can be found here: Diagnostic Procedure Instructions

DTC Descriptor

DTC P0572

Brake Switch Circuit 1 Low Voltage

DTC P0573

Brake Switch Circuit 1 High Voltage

Diagnostic Fault Information

Cruise Control System

Circuit/System Description

For an overview of the component/system, refer to:Cruise Control Description and Operation (Without Adaptive Cruise Control) or Cruise Control Description and Operation (With Adaptive Cruise Control).

Conditions for Running the DTC

  • Ignition/Vehicle=On
  • Vehicle Speed.=Greater than 40 km/h (25 MPH)
  • Cruise Control=On

Frequency the DTC runs=Continuously - After the running conditions are met - For greater than 5 s

Conditions for Setting the DTC

DTC P0572

Brake Pedal Position Circuit Signal - Open/Short to Ground

DTC P0573

Brake Pedal Position Circuit Signal - Short to Voltage

Actions Taken When the DTC Sets

  • Cruise Control System Status=Disabled
  • DTCs listed in the DTC Descriptor Category=Type C DTC

Conditions for Clearing the DTC

DTCs listed in the DTC Descriptor Category=Type C DTC

Reference Information

Schematic Reference

Cruise Control Wiring Schematics

Connector End View Reference

Component Connector End View Index

Electrical Information Reference

  • Circuit Testing
  • Connector Repairs
  • Testing for Intermittent Conditions and Poor Connections
  • Wiring Repairs

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference

Control Module References

Circuit/System Verification

1. Ignition - On / Vehicle - In Service Mode.

2. Verify the component works as specified:Brake Pedal Position Sensor.

  • If a related DTC is set

Refer to:Diagnostic Trouble Code (DTC) List - Vehicle

  • Go to next step: If a related DTC is not set

3. Verify that no DTC listed in the DTC Descriptor Category is set.

  • If a related DTC is set

Refer to Circuit/System Testing.

  • Go to next step: If a related DTC is not set

4. All OK.

Circuit/System Testing

1. Use the schematics to identify the items listed below:

  • Brake Pedal Position Sensor Signal@K20 Engine Control Module

2. Ignition/Vehicle & All vehicle systems - Off.

3. Disconnect the component:K20 Engine Control Module.

4. Ignition - On / Vehicle - In Service Mode.

5. Connect a test lamp between the test points:Brake Pedal Position Sensor Signal & Ground.

6. Slowly press and release the brake pedal.

Verify the test lamp turns On and Off.

  • If the test lamp is always Off
  1. Ignition/Vehicle & All vehicle systems - Off
  2. Disconnect the component:K9 Body Control Module
  3. {If equipped}Disconnect all components on the circuit:Brake Pedal Position Sensor Signal
  4. Test for infinite resistance between the test points:Signal circuit terminal 12@K9 Body Control ModuleX5 & Ground
    • If less than infinite resistance - Repair the short to ground on the circuit.
    • Go to next step: If infinite resistance
  5. Test for less than 2 ohms between the test points:Signal circuit terminal 12@K9 Body Control ModuleX5 & The other end of the circuit
    • If 2 ohms or greater - Repair the open/high resistance in the circuit.
    • If less than 2 ohms - Replace the component:K9 Body Control Module
  • If the test lamp is always On
  1. Ignition/Vehicle & All vehicle systems - Off
  2. Disconnect the component:K9 Body Control Module
  3. Ignition - On / Vehicle - In Service Mode
  4. Test for less than 1 V between the test points:Signal circuit terminal 12@K9 Body Control ModuleX5 & Ground
    • If 1 V or greater - Repair the short to voltage on the circuit.
    • If less than 1 V - Replace the component:K9 Body Control Module
  • Go to next step: If the test lamp turns On and Off

7. Replace the component:K20 Engine Control Module

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification.

For control module replacement, programming, and setup refer to: Control Module References.

DTC P0575

Diagnostic Instructions

  • Perform the Diagnostic System Check prior to using this diagnostic procedure:Diagnostic System Check - Vehicle
  • Review the description of Strategy Based Diagnosis:Strategy Based Diagnosis
  • An overview of each diagnostic category can be found here:Diagnostic Procedure Instructions

DTC Descriptor

DTC P0575

Cruise Control Switch Signal Message Counter Incorrect

Circuit/System Description

  • For an overview of the component/system, refer to:Cruise Control Description and Operation (Without Adaptive Cruise Control) or Cruise Control Description and Operation (With Adaptive Cruise Control)
  • The K9 sends a serial data message to the K20 indicating the S70 function that has been requested.

Conditions for Running the DTC

  • Ignition/Vehicle=On
  • Vehicle Speed.=Greater than 40 km/h (25 MPH)
  • Cruise Control=On

Frequency the DTC runs=Continuously - After the running conditions are met - For greater than 5 s

Conditions for Setting the DTC

Cruise Control Switch Signal=Invalid Serial Data

Actions Taken When the DTC Sets

DTCs listed in the DTC Descriptor Category=Type C DTC

Conditions for Clearing the DTC

DTCs listed in the DTC Descriptor Category=Type C DTC

Reference Information

Schematic Reference

Cruise Control Wiring Schematics

Connector End View Reference

Component Connector End View Index

Electrical Information Reference

  • Circuit Testing
  • Connector Repairs
  • Testing for Intermittent Conditions and Poor Connections
  • Wiring Repairs

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference

Control Module References

Circuit/System Verification

1. Ignition - On / Vehicle - In Service Mode.

2. Verify there are no other DTCs set, except for DTC P0575.

  • If any other DTCs are set

Refer to:Diagnostic Trouble Code (DTC) List - Vehicle

  • Go to next step: If no other DTCs are set

3. Replace the component:K9 Body Control Module.

4. Operate the vehicle within the Conditions for Running the DTC. - Verify the DTC does not set.

  • If DTC P0575 is set

Replace the component:K20 Engine Control Module

  • Go to next step: If the DTC is not set

5. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification.

For control module replacement, programming, and setup refer to: Control Module References.

DTC P0703

Diagnostic Instructions

  • Perform the Diagnostic System Check prior to using this diagnostic procedure:Diagnostic System Check - Vehicle
  • Review the description of Strategy Based Diagnosis:Strategy Based Diagnosis
  • An overview of each diagnostic category can be found here:Diagnostic Procedure Instructions

DTC Descriptor

DTC P0703

Brake Switch Signal Message Counter Incorrect

Circuit/System Description

  • For an overview of the component/system, refer to:Cruise Control Description and Operation (Without Adaptive Cruise Control) or Cruise Control Description and Operation (With Adaptive Cruise Control)
  • The K9 sends a serial data message to the K20 indicating the B22 function that has been requested.

Conditions for Running the DTC

  • Ignition/Vehicle=On
  • Vehicle Speed.=Greater than 40 km/h (25 MPH)
  • Cruise Control=On

Frequency the DTC runs=Continuously - After the running conditions are met - For greater than 5 s

Conditions for Setting the DTC

Brake Pedal Position Sensor Signal=Invalid Serial Data

Actions Taken When the DTC Sets

  • Cruise Control System Status=Disabled
  • DTCs listed in the DTC Descriptor Category=Type C DTC

Conditions for Clearing the DTC

DTCs listed in the DTC Descriptor Category=Type C DTC

Reference Information

Schematic Reference

Cruise Control Wiring Schematics

Connector End View Reference

Component Connector End View Index

Electrical Information Reference

  • Circuit Testing
  • Connector Repairs
  • Testing for Intermittent Conditions and Poor Connections
  • Wiring Repairs

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference

Control Module References

Circuit/System Verification

1. Ignition - On / Vehicle - In Service Mode.

2. Verify there are no other DTCs set, except for DTC P0703.

  • If any other DTCs are set
  • Refer to:Diagnostic Trouble Code (DTC) List - Vehicle
  • Go to next step: If no other DTCs are set

3. Replace the component:K9 Body Control Module.

4. Operate the vehicle within the Conditions for Running the DTC. - Verify the DTC does not set.

  • If DTC P0703 is set
  • Replace the component:K20 Engine Control Module
  • Go to next step: If the DTC is not set

5. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification.

For control module replacement, programming, and setup refer to: Control Module References.

DTC P1553

Diagnostic Instructions

  • Perform the Diagnostic System Check prior to using this diagnostic procedure:Diagnostic System Check - Vehicle
  • Review the description of Strategy Based Diagnosis:Strategy Based Diagnosis
  • An overview of each diagnostic category can be found here:Diagnostic Procedure Instructions

DTC Descriptor

DTC P1553

Distance Sensing Cruise Control Signal Message Counter Incorrect

Circuit/System Description

For an overview of the component/system, refer to:Cruise Control Description and Operation (Without Adaptive Cruise Control) or Cruise Control Description and Operation (With Adaptive Cruise Control).

Conditions for Running the DTC

  • Ignition/Vehicle=On
  • Vehicle Speed.=Greater than 40 km/h (25 MPH)
  • Cruise Control=On

Frequency the DTC runs=Continuously - After the running conditions are met - For greater than 5 s

Conditions for Setting the DTC

Distance Sensing Cruise Control Communication Malfunction

Actions Taken When the DTC Sets

DTCs listed in the DTC Descriptor Category=Type C DTC

Conditions for Clearing the DTC

DTCs listed in the DTC Descriptor Category=Type C DTC

Reference Information

Schematic Reference

Cruise Control Wiring Schematics

Connector End View Reference

Component Connector End View Index

Electrical Information Reference

  • Circuit Testing
  • Connector Repairs
  • Testing for Intermittent Conditions and Poor Connections
  • Wiring Repairs

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference

Control Module References

Circuit/System Verification

1. Ignition - On / Vehicle - In Service Mode.

2. Verify DTC P1553 is not set.

  • If the DTC is set
  1. Replace the appropriate component:
  • { If equipped }K14 Distance Sensing Cruise Control Module
  • { If equipped }K124 Active Safety Control Module
  • Go to next step: If the DTC is not set

3. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification.

For control module replacement, programming, and setup refer to: Control Module References.

DTC P158A

Diagnostic Instructions

  • Perform the Diagnostic System Check prior to using this diagnostic procedure:Diagnostic System Check - Vehicle
  • Review the description of Strategy Based Diagnosis:Strategy Based Diagnosis
  • An overview of each diagnostic category can be found here:Diagnostic Procedure Instructions

DTC Descriptor

DTC P158A

Cruise Control Calibration Incorrect

Circuit/System Description

For an overview of the component/system, refer to:Cruise Control Description and Operation (Without Adaptive Cruise Control) or Cruise Control Description and Operation (With Adaptive Cruise Control).

Conditions for Running the DTC

  • Ignition/Vehicle=On
  • Vehicle Speed.=Greater than 40 km/h (25 MPH)
  • Cruise Control=On

Frequency the DTC runs=Continuously - After the running conditions are met - For greater than 5 s

Conditions for Setting the DTC

Engine Control Module Configuration Status in BCM=Cruise Control Configuration Mismatch

Actions Taken When the DTC Sets

  • Cruise Control System Status=Disabled
  • DTCs listed in the DTC Descriptor Category=Type C DTC

Conditions for Clearing the DTC

DTCs listed in the DTC Descriptor Category=Type C DTC

Reference Information

Schematic Reference

Cruise Control Wiring Schematics

Connector End View Reference

Component Connector End View Index

Electrical Information Reference

  • Circuit Testing
  • Connector Repairs
  • Testing for Intermittent Conditions and Poor Connections
  • Wiring Repairs

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference

Control Module References

Circuit/System Verification

1. Ignition - On / Vehicle - In Service Mode.

2. Verify there are no other DTCs set, except for DTC P158A.

  • If any other DTCs are set
  • Refer to:Diagnostic Trouble Code (DTC) List - Vehicle
  • Go to next step: If no other DTCs are set

NOTE: During the programming procedure, follow the Service Programming System (SPS) prompts for the correct ignition switch position.

3. Reprogram ECU - - K9 Body Control Module & K20 Engine Control Module.

4. Operate the vehicle within the Conditions for Running the DTC. - Verify the DTC does not set.

  • Go to next step: If the DTC is not set

5. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification.

For control module replacement, programming, and setup refer to: Control Module References.

Symptoms - Cruise Control

NOTE: The following steps must be completed before using the symptom tables.

1. Before using the symptom diagnostic table, perform the Diagnostic System Check - Vehicle in order to verify the following conditions:

  • There are no DTCs set.
  • The module can communicate via the serial data.

2. Review the system operation in order to understand the system functions. Refer to Cruise Control Description and Operation (Without Adaptive Cruise Control) or Cruise Control Description and Operation (With Adaptive Cruise Control).

Visual/Physical Inspection

  • Inspect for aftermarket devices which can affect the operation of the Cruise Control System.
  • Inspect the accessible system components or the visible system components for obvious damage or for obvious conditions which can cause the symptom.

Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections.

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

  • Cruise Control Indicator Malfunction
  • Cruise Control Malfunction

CRUISE CONTROL INDICATOR MALFUNCTION

Diagnostic Instructions

  • Perform the Diagnostic System Check prior to using this diagnostic procedure:Diagnostic System Check - Vehicle
  • Review the description of Strategy Based Diagnosis:Strategy Based Diagnosis
  • An overview of each diagnostic category can be found here:Diagnostic Procedure Instructions

Circuit/System Description

 For an overview of the component/system, refer to:Cruise Control Description and Operation (Without Adaptive Cruise Control) or Cruise Control Description and Operation (With Adaptive Cruise Control).

Reference Information

Schematic Reference

Cruise Control Wiring Schematics

Connector End View Reference

Component Connector End View Index

Electrical Information Reference

  • Circuit Testing
  • Connector Repairs
  • Testing for Intermittent Conditions and Poor Connections
  • Wiring Repairs

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference

Control Module References

Circuit/System Verification

1. Ignition - On / Vehicle - In Service Mode.

2. Perform the scan tool control function:Instrument Panel Cluster Assembly - Illuminate All Indicators.

3. Verify the component turns On and Off:Cruise Control Indicator.

  • If the component does not turn On and Off

Replace the component:Instrument Panel Cluster Assembly

  • Go to next step: If the component turns On and Off

4. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification.

For control module replacement, programming, and setup refer to: Control Module References.

Cruise Control Malfunction

Diagnostic Instructions

  • Perform the Diagnostic System Check prior to using this diagnostic procedure: Diagnostic System Check - Vehicle
  • Review the description of Strategy Based Diagnosis:Strategy Based Diagnosis
  • An overview of each diagnostic category can be found here: Diagnostic Procedure Instructions

DTC Descriptor

DTC B3623

Steering Wheel Controls Distance Sensing Cruise Control Gap Up/Down Signal Circuit

DTC B3794

Cruise Control Function Request Circuit

DTC P0564

Cruise Control Multifunction Switch Circuit

DTC P0565

Cruise Control Switch Circuit

DTC P0567

Cruise Control Resume Switch Circuit

DTC P0568

Cruise Control Set Switch Circuit

DTC P056C

Cruise Control Cancel Switch Circuit

DTC P0580

Cruise Control Multifunction Switch Circuit Low Voltage

DTC P0581

Cruise Control Multifunction Switch Circuit High Voltage

DTC P0589

Cruise Control Multifunction Switch 2 Circuit

DTC P0592

Cruise Control Multifunction Switch 2 Circuit Low Voltage

DTC P0593

Cruise Control Multifunction Switch 2 Circuit High Voltage

DTC P155A

Cruise Control Switch State Undetermined

DTC P155B

Cruise Control Set/Coast Switch 2 Circuit

DTC P155C

Cruise Control Resume/Accelerate Switch 2 Circuit

DTC P162C

Vehicle Speed Limiting/Warning Switch Circuit

Symptom Byte Information: Symptom Byte List.

Diagnostic Fault Information

Cruise Control System

Cruise Control System

1.Cruise Control=Malfunction

Typical Scan Tool Data

Body Control Module-Scan Tool Parameters

Cruise Control System

Cruise Control System

Circuit/System Description

For an overview of the component/system, refer to:Cruise Control Description and Operation (Without Adaptive Cruise Control) or Cruise Control Description and Operation (With Adaptive Cruise Control).

Conditions for Running the DTC

  • Ignition/Vehicle=On
  • Vehicle Speed.=Greater than 40 km/h (25 MPH)
  • Cruise Control=On

Frequency the DTC runs=Continuously - After the running conditions are met - For greater than 5 s

Conditions for Setting the DTC

B3623

Distance Sensing Cruise Control Follow Gap Set Circuit - Invalid Signal Received

B3794, P0564, P0565, P0567, P0568, P056C, P0580, P0581

Cruise Control Switch Circuit - Invalid Signal Received

P0589, P0592, P0593, P155B, P155C

Cruise Control Multifunction Switch 2 Circuit - Invalid Signal Received

P155A

Cruise Control Switch State Undetermined

P162C

Vehicle Speed Limiting/Warning Switch Circuit - Undetermined State

Actions Taken When the DTC Sets

  • Cruise Control System Status=Disabled
  • DTCs listed in the DTC Descriptor Category=Type C DTC

Conditions for Clearing the DTC

DTCs listed in the DTC Descriptor Category=Type C DTC

Reference Information

Schematic Reference

Cruise Control Wiring Schematics

Connector End View Reference

Component Connector End View Index

Electrical Information Reference

  • Circuit Testing
  • Connector Repairs
  • Testing for Intermittent Conditions and Poor Connections
  • Wiring Repairs

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference

Control Module References

Circuit/System Verification

1. Ignition - On / Vehicle - In Service Mode.

2. Verify the component works as specified:Cruise Control Switch Assembly.

3. Refer to:Body Control Module-Scan Tool Parameters in Typical Scan Tool Data.

  • If a condition exists

Refer to Circuit/System Testing.

  • Go to next step: If no condition exists

4. Verify the condition does not exist:Cruise Control System Status=Inhibit by ECM

  • Cruise Control System Status=Inhibit by ECM

If a condition exists - Repair or replace as necessary

  • Go to next step: Cruise Control System Status Inhibit by ECM

5. Verify that no DTC listed in the DTC Descriptor Category is set.

  • If a related DTC is set

Refer to Circuit/System Testing.

  • Go to next step: If a related DTC is not set

6. All OK.

Circuit/System Testing

Cruise Control Switch Signal

1. Ignition/Vehicle & All vehicle systems - Off.

2. Disconnect the component:K9 Body Control Module.

3. Disconnect the component:Cruise Control Switch Assembly.

4. Ignition - On / Vehicle - In Service Mode.

5. Test for less than 1 V between the test points:

  • 12 V Reference circuit & Ground
  • Cruise Control Switch Signal & Ground
  • If 1 V or greater - Repair the short to voltage on the circuit.
  • Go to next step: If less than 1 V

6. Ignition/Vehicle - Off.

7. Test for infinite resistance between the test points:

  • 12 V Reference circuit & Ground
  • Cruise Control Switch Signal & Ground
  • If less than infinite resistance - Repair the short to ground on the circuit.
  • Go to next step: If infinite resistance

8. Test for less than 2 ohms between the test points:

  • 12 V Reference circuit@Component harness & The other end of the circuit@Control module harness
  • Cruise Control Switch Signal@Component harness & The other end of the circuit@Control module harness
  • If 2 ohms or greater - Repair the open/high resistance in the circuit.
  • Go to next step: If less than 2 ohms

9. Test or replace the component:Cruise Control Switch Assembly.

10. Operate the vehicle within the Conditions for Running the DTC. Verify the DTC does not set.

  • If the DTC sets

Replace the component:K9 Body Control Module

  • Go to next step: If the DTC is not set

11. All OK.

Adaptive Cruise Control Gap Up/Down Switch Signal

1. Ignition/Vehicle & All vehicle systems - Off.

2. Disconnect the component:K9 Body Control Module.

3. Disconnect the component:Cruise Control Switch Assembly.

4. Ignition - On / Vehicle - In Service Mode.

5. Test for less than 1 V between the test points:

  • 12 V Reference circuit & Ground
  • Adaptive Cruise Control Gap Up/Down Switch Signal & Ground
  • If 1 V or greater - Repair the short to voltage on the circuit.
  • Go to next step: If less than 1 V

6. Ignition/Vehicle - Off.

7. Test for infinite resistance between the test points:

  • 12 V Reference circuit & Ground
  • Adaptive Cruise Control Gap Up/Down Switch Signal & Ground
  • If less than infinite resistance - Repair the short to ground on the circuit.
  • Go to next step: If infinite resistance

8. Test for less than 2 ohms between the test points:

  • 12 V Reference circuit@Component harness & The other end of the circuit@Control module harness
  • Adaptive Cruise Control Gap Up/Down Switch Signal@Component harness & The other end of the circuit@Control module harness
  • If 2 ohms or greater - Repair the open/high resistance in the circuit.
  • Go to next step: If less than 2 ohms

9. Test or replace the component:Cruise Control Switch Assembly 10. Operate the vehicle within the Conditions for Running the DTC. Verify the DTC does not set.

  • If the DTC sets

Replace the component:K9 Body Control Module

  • Go to next step: If the DTC is not set

11. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification.

For control module replacement, programming, and setup refer to: Control Module References.

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