B1667-REVERSE LAMP CONTROL CIRCUIT LOW
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
With the ignition on.
- Set Condition:
The TIPM Detects a Short to ground condition.
| Possible Causes |
| (L1) BACK-UP LAMP FEED CIRCUIT SHORT TO GROUND |
| TOTALLY INTEGRATED POWER MODULE |
Diagnostic Test
1. INTERMITTENT CONDITIONTurn the ignition on.
With the Scan Tool, clear all TIPM DTC's.
Shift the transmission into reverse.
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 - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
2. (L1) BACK-UP LAMP FEED CIRCUIT SHORT TO GROUND
Turn the ignition off.
Disconnect the TIPM C8 connector.
Measure the resistance between ground and the (L1) Back-up Lamp circuit.
Is the resistance below 5.0 ohms?
Yes
- Repair the (L1) Back-up Lamp circuit for a short to ground.
- Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Replace the Totally Integrated Power Module (TIPM) in accordance with the service information.
- Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)