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Home >> Jeep >> 2009 >> Commander Overland, 4WD >> Repair and Diagnosis >> Body & Frame >> Windows >> Passenger Door Module (PDM) - Electrical Diagnostics >> DTC Troubleshooting >> B1807 Passenger Door Lock/Unlock Switch Circuit High >> Diagnostic Test
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Diagnostic Test

  1. TEST FOR INTERMITTENT CONDITION 
    1. With the scan tool, record and erase DTCs
    2. Operate the Passenger Door Lock Switch in both positions several times.
    3. Cycle the ignition from on to off 3 times.
    4. Turn the ignition on.
    5. With the scan tool, read DTCs.

      Does the scan tool display B1807-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT HIGH?

      Yes 

      • Go to step  2

      No 

  2. DOOR LOCK SWITCH SHORTED TO VOLTAGE 
    Fig 1: Checking Door Lock Switch Shorted To Voltage
    GC0106471Courtesy of CHRYSLER LLC
    1. With the scan tool, erase DTCs.
    2. Disconnect the Passenger Window/Door Lock Switch connector.
    3. With the scan tool, read DTCs.

      Does the scan tool display PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT HIGH?

      No 

      Yes 

      • Go to step  3
  3. (G160) (LHD) OR (G161) (RHD) DOOR LOCK SWITCH MUX CIRCUIT SHORT TO VOLTAGE 
    Fig 2: Checking Door Lock Switch MUX Circuit Short To Voltage
    GC0106472Courtesy of CHRYSLER LLC
    1. Disconnect the Passenger Door Module C2 connector.
    2. Measure the voltage between ground and the (G160) or (G161) Door Lock Switch Mux circuit in the Passenger Door Module C2 connector.

      Is there any voltage present?

      Yes 

      No