Diagnostic Test
- INTERMITTENT CONDITION
- Turn the ignition on.
- With the scan tool, clear all TIPM DTCs.
- Turn the Reverse Lamps on.
- With the scan tool read the DTC information.
Does the scan tool read: B1669-REVERSE LAMP CONTROL CIRCUIT OPEN?
Yes
- Go to step 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. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
- REVERSE LAMP BULBS
- Turn the ignition off.
- Inspect the Left and Right Reverse Lamp Bulb Assemblies.
Are the inoperative bulbs OK?
Yes
- Go to step 3
No
- Replace the Inoperative bulb or bulbs in accordance with the service information.
- Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
- (L1) REVERSE LAMP CONTROL CIRCUIT OPEN
- Turn the ignition off.
- Disconnect the TIPM C8 harness connector.
- Disconnect the Left and Right Reverse Lamp harness connectors.
- Measure the resistance of the (L1) Reverse Lamp Control circuit.
Is the resistance above 5.0 Ohms?
Yes
- Repair the (L1) Reverse Lamp Control circuit for an open condition.
- Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
No
- Replace the Totally Integrated Power Module (TIPM) in accordance with the service information.
- Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .