B1669

B1669-REVERSE LAMP CONTROL CIRCUIT OPEN







- When Monitored:
With the Reverse Lamps Activated.

- Set Condition:
When the totally Integrated Power Module (TIPM) detects an open condition in the back-up lamp feed circuit.





1. INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all TIPM DTCs.
3. Turn the Reverse Lamps on.
4. With the scan tool read the DTC information.

Does the scan tool read: B1669-REVERSE LAMP CONTROL CIRCUIT OPEN?

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. REVERSE LAMP BULBS
1. Turn the ignition off.
2. Inspect the Left and Right Reverse Lamp Bulb Assemblies.

Are the inoperative bulbs OK?

Yes

- Go To 3

No

- Replace the Inoperative bulb or bulbs.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. (L1) BACKUP LAMP FEED CIRCUIT OPEN




1. Turn the ignition off.
2. Disconnect the TIPM C6 harness connector.
3. Disconnect the Left and Right Reverse Lamp harness connectors.
4. Measure the resistance of the (L1) Backup Lamp Feed circuit.

Is the resistance above 5.0 Ohms?

Yes

- Repair the (L1) Backup Lamp Feed circuit for an open condition.
- Perform the BODY VERIFICATION TEST. Body Verification Test

No

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