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DTC B0967 or B0968

DTC B0967 or B0968

Diagnostic Instructions


• Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

• Review Strategy Based Diagnosis for an overview of the diagnostic approach.

• Diagnostic Procedure Instructions provides an overview of each diagnostic category.


DTC Descriptors

DTC B0967 02

Parking Aid On/Off Switch Circuit Short to Ground

DTC B0968 01

Parking Aid On/Off Switch Indicator Circuit Short to Battery

DTC B0968 06

Parking Aid On/Off Switch Indicator Circuit Low Voltage/Open

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Parking Assist Switch Indicator Ignition

B0968 06

B0968 06

-

-

Parking Assist Switch Signal

B0967 02

1

-

-

Parking Assist Switch Indicator Control

B0968 06

B0968 06

B0968 01

-

Parking Assist Switch Ground

-

1

-

-

1. Parking Assist Switch Malfunction



Circuit/System Description

The parking assist can be activated/deactivated by pressing the parking assist switch. By engaging the reverse gear the parking assist can also be activated. By subsequently pressing the parking assist switch the parking assist can be disabled again.

The indicator in the parking assist switch shows the status of the parking assist. If the lamp is ON, the parking assist is activated.

Conditions for Running the DTC


• Ignition ON

• The parking assist is activated. The activation takes place by putting in the reverse gear or by pressing the parking assist switch.


Conditions for Setting the DTC

B0967 02

The parking assist control module has detected a short to ground.

B0968 01

The parking assist control module has detected a short to battery.

B0968 06

The parking assist control module has detected a short to ground or open.

Action Taken When the DTC Sets


• The parking assist is disabled.

• The driver information center displays SERVICE PARK ASSIST.


Conditions for Clearing the DTC

The condition for setting the DTC is no longer present.

Reference Information

Schematic Reference

Object Detection Schematics

Connector End View Reference

Component Connector End Views

Description and Operation

Object Detection Description and Operation (Traffic Sign Assist) Object Detection Description and Operation (Parking Assist with Parallel Parking) Object Detection Description and Operation (Parking Assist) Object Detection Description and Operation (Lane Departure Warning) Object Detection Description and Operation (UFT) Object Detection Description and Operation (UVC)

Electrical Information Reference


• Circuit Testing

• Connector Repairs

• Testing for Intermittent Conditions and Poor Connections

• Wiring Repairs


Scan Tool Reference

Control Module References for scan tool information

Circuit/System Verification


1. Verify that DTC B0967 02 is not present.

2. If DTC is present, refer to Parking Assist Switch Malfunction.

3. Verify that B0968 01 or B0968 06 is not present.

4. If DTC is present, refer to Parking Assist Switch Indicator Malfunction.

5. Activate and deactivate the parking assist switch and verify the scan tool Park Assist Switch parameter changes between Active and Inactive.


Circuit/System Testing


Parking Assist Switch Malfunction

1. Ignition OFF, disconnect the X1 harness connector at the K41 Parking Assist Control Module.

2. Test for infinite resistance between the input signal circuit terminal 8 X1 at the K41 Parking Assist Control Module harness connector and ground.

3. If less than the specified value, test input signal circuit for a short to ground. If the circuit tests normal, replace the S48E Multifunction Switch - Center Console.

4. If all circuits test normal, replace the K41 Parking Assist Control Module.



Parking Assist Switch Indicator Malfunction

1. Ignition OFF, disconnect the X1 harness connector at the K41 Parking Assist Control Module and the harness connector at the S48E Multifunction Switch - Center Console.

2. Ignition ON, test for greater than 11 V between the ignition circuit terminal 3 and ground.

3. If less than the specified value, test the ignition circuit for a short to ground or an open/high resistance.

4. Test for less than 0.3 V between the control circuit terminal 3 X1 at the K41 Parking Assist Control Module harness connector and ground.

5. If greater than the specified value, test the control circuit for a short to voltage.

6. Ignition OFF, test for infinite resistance between the control circuit terminal 3 X1 at the K41 Parking Assist Control Module harness connector and ground.

7. If less than the specified value, test control circuit for a short to ground.

8. Test for less than 5 Ω between the S48E Multifunction Switch - Center Console control circuit terminal 6 and the control circuit terminal 3 X1 at the K41 Parking Assist Control Module harness connector

9. If greater than the specified value, test the control circuit for an open/high resistance.

10. If all circuits test normal, connect the X1 harness connector to the K41 Parking Assist Control Module, replace the S48E Multifunction Switch - Center Console and verify the DTC does not reset.

11. If the DTC resets, replace the K41 Parking Assist Control Module.


Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.


• Front Floor Console Multifunction Switch Replacement

• Control Module References for parking assist control module replacement, setup and programming