B1667

B1667-REVERSE LAMP CONTROL CIRCUIT LOW





For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
With the ignition on.

- Set Condition:
The TIPM detects a short to ground condition.





1. INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all TIPM DTCs.
3. Shift the transmission into reverse.
4. With the scan tool read the DTC information.

Does the scan tool read: B1667-REVERSE LAMP CONTROL CIRCUIT LOW?

Yes

- Go To 2

No

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

2. CHECK THE (L1) BACKUP LAMP SWITCH OUTPUT CIRCUIT SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the TIPM C8 harness connector.
3. Disconnect the Inside Rearview Mirror harness connector (if equipped).
4. Disconnect the License Plate Lamp/Rear Camera Assembly harness connector (if equipped).
5. Measure the resistance between ground and the (L1) Backup Lamp Switch Output circuit.

Is the resistance below 5.0 Ohms?

Yes

- Repair the (L1) Backup Lamp Switch Output circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the Totally Integrated Power Module (TIPM).
- Perform the BODY VERIFICATION TEST. Body Verification Test.