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Home >> Chrysler >> 2009 >> PT Cruiser Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Ignition System >> (Totally Integrated Power Module (TIPM) - Electrical Diagnostics) >> DTC Troubleshooting >> B1669-Reverse Lamp Control Circuit Open >> Diagnostic Test
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Diagnostic Test

  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 step  2

      No 

  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 step  3

      No 

  3. (L1) REVERSE LAMP CONTROL CIRCUIT OPEN 
    Fig 1: Checking Reverse Lamp Control Circuit
    GC0100162Courtesy of CHRYSLER LLC
    1. Turn the ignition off.
    2. Disconnect the TIPM C8 harness connector.
    3. Disconnect the Left and Right Reverse Lamp harness connectors.
    4. Measure the resistance of the (L1) Reverse Lamp Control circuit.

      Is the resistance above 5.0 Ohms?

      Yes 

      No