Diagnostic Routine P

Diagnostic Routine P

Diagnostic Overview

U0126:87

Normal Operation and Fault Conditions

DTC Fault Trigger Conditions

Pinpoint Test

1. VERIFY THE CUSTOMER CONCERN

1. Ignition ON.

2. Verify that there is an observable symptom present.

Is an observable symptom present?

2. CHECK THE COMMUNICATION NETWORK

1. Ignition ON.

2. Using a scan tool, perform network test.

Does the SASM (Steering Angle Sensor Module) pass the network test?

3. RECHECK THE PAM (Parking Aid Module) DTCs (Diagnostic Trouble Codes)

1. Using a scan tool, clear the DTCs (Diagnostic Trouble Codes).

2. Operate the system and test the system for normal operation.

3. Using a scan tool, repeat the PAM (Parking Aid Module) self-test.

Is DTC (Diagnostic Trouble Code) U0126:87 still present?

4. CHECK FOR BATTERY VOLTAGE OUT OF RANGE DTCs (Diagnostic Trouble Codes)

1. Using a scan tool, retrieve the continuous memory DTCs (Diagnostic Trouble Codes) from all modules.

Is DTC (Diagnostic Trouble Code) U3003:62 set in the PAM (Parking Aid Module)?

5. CHECK FOR DTC (Diagnostic Trouble Code) U0126:00 OR DTC (Diagnostic Trouble Code) U0126:87 IN OTHER MODULES

1. Using a scan tool, clear all DTCs (Diagnostic Trouble Codes).

2. Ignition OFF.

3. Wait 10 seconds.

4. Using a scan tool, perform self-test.

5. Using a scan tool, retrieve the continuous memory DTCs (Diagnostic Trouble Codes) from all modules.

Is DTC (Diagnostic Trouble Code) U0126:00 or DTC (Diagnostic Trouble Code) U0126:87 set in any module?

6. CHECK FOR CORRECT PAM (Parking Aid Module) OPERATION

1. Ignition OFF.

2. Disconnect and inspect the PAM (Parking Aid Module) connectors.

3. Repair:

- corrosion (replace connector or terminals- clean module pins)
- damaged or bent pins- replace terminals/pins
- pushed-out pins- replace pins as necessary

4. Reconnect the PAM (Parking Aid Module) connectors. Make sure they seat and latch correctly.

5. Operate the system and verify the concern is still present.

Is the concern still present?