For 1990-2009 cars

### 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 Descriptor

DTC B096B 02: Parking Aid Switch Parallel Parking Circuit Short to Ground

### Diagnostic Fault Information

Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance
--- | --- | --- | --- | ---
Parallel Park Assist Switch Signal | B096B 02 | 1 | -- | --
Parallel Parking Assist Switch Ground | -- | 1 | -- | --
1. Parallel Parking Assist Switch Malfunction

### Circuit/System Description

The parallel parking assist can be activated / deactivated by pressing the parallel parking assist switch.

### Conditions for Running the DTC

• | Ignition ON

• | The parallel parking assist is activated. The activation takes place through pressing the parallel parking assist switch.

### Conditions for Setting the DTC

The object alarm module has detected a short to ground.

### Action Taken When the DTC Sets

• | The parallel parking assist is disabled.

• | An indicator in the driver information center shows the parking assistance is not available.

### Conditions for Clearing the DTC

The condition for setting the DTC is no longer present.

### Reference Information

#### Schematic Reference

LINK 142605

#### Connector End View Reference

Component Connector End Views

#### Description and Operation

Object Detection Description and Operation

#### 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

Activate and deactivate the parallel park assist switch and verify the scan tool Advanced Park Assist Switch parameter changes between Active and Inactive.

### Circuit/System Testing

1. Ignition OFF, disconnect the X1 harness connector at the K41 Object Alarm Module.
2. Test for infinite resistance between the input signal circuit terminal 6 (X1) at the K41 Object Alarm Module harness connector and ground.

⇒ | If less than the specified range, test input signal circuit for a short to ground. If the circuit tests normal, replace the S48D Multifunction Switch - I/P 2.

3. If all circuits test normal, replace the K41 Object Alarm Module.

### Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

• | Rear Object Alarm Module Switch Replacement

• | Control Module References for Object Alarm Module replacement, setup and programming