B2254

B2254-COLUMN LOCK MODULE INTERNAL





For a complete wiring diagram refer to Diagrams/Electrical

- When Monitored:

Continuously.

- Set Condition:

If the SKREEM does not receive the correct response message back from the Steering Column Lock Module.





Diagnostic Test

1. INTERMITTENT DTC

With the scan tool, erase the current SKREEM DTC's.

Turn the ignition off.

Arm the VTSS and wait one minute.

Disarm the VTSS and turn the ignition on.

Does the scan tool display the same DTC?

Yes

- Go To2

No

- The condition that caused this symptom is currently not present. Inspect the related wiring harness for a possible intermittent condition. Look for any chafed, pierced, pinched or partially broken wires.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

2. (A306)/(A935) FUSED B+ CIRCUIT OPEN

Gain access to the Steering Column Lock Module.

Disconnect the Steering Column Lock Module connector.

Using a 12-volt test light connected to ground, check the (A306) and (A935) Fused B(+) circuits in the Steering Column Lock Module connector.

Does the test light illuminate brightly for both circuits?

Yes

- Go To3

No

- Repair the Fused B+ circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

3. (Z906) GROUND CIRCUIT OPEN

Using a 12-volt test light connected to 12-volts, check the (Z906) Ground circuit at the Steering Column Lock Module connector.

Does the test light illuminate brightly?

Yes

- Go To4

No

- Repair the (Z906) Ground circuit for an open.
- Perform BODY VERIFICATION TEST - 1A. Body Verification Test

4. (D508) COM-LIN TIRE PRESSURE MONITOR LAN CIRCUIT OPEN

Disconnect the SKREEM harness connector.

Measure the resistance of the (D508) COM-LIN Tire Pressure Monitor LAN circuit between the SKREEM and the Steering Column Lock Module connectors.

Is the resistance below 1.0 ohms?

Yes

- Replace the Steering Column Lock Module.
- Perform SKREEM VERIFICATION TEST. Vehicle Theft Security Verification Tests

No

- Repair the (D508) COM-LIN Tire Pressure Monitor LAN circuit for an open.
- Perform BODY VERIFICATION TEST - 1A. Body Verification Test