Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2009 Chrysler PT Cruiser Base, AutomaticFACTORY OEM SERVICE PROCEDURE
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 .
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.