Diagnostic Test

With the scan tool, record and erase DTC's

Operate the Driver Door Lock Switch in both positions several times.

Cycle the ignition from on to off 3 times.

Turn the ignition on.

With the scan tool, read DTC's.

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

Yes 

1. Go To step  2).

No 

1. The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. Perform BODY VERIFICATION TEST - VER 1 .

Fig 1: Checking Driver Door Lock Switch For Short

Courtesy of DAIMLERCHRYSLER CORP.

With the scan tool, erase DTC's.

Disconnect the Driver Window/Door Lock Switch connector.

Turn the ignition on.

With the scan tool, read DTC's.

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

No 

1. Replace the Driver Window/Door Lock Switch.
2. Perform BODY VERIFICATION TEST - VER 1 .

Yes 

1. Go to step  3).

Fig 2: Checking (G161) Driver Door Lock Switch MUX Wire For Short To Voltage

Courtesy of DAIMLERCHRYSLER CORP.

Disconnect the Driver Memory Mirror Module C1 connector.

Measure the voltage of the (G161) Driver Door Lock Switch Mux circuit in the Memory Mirror Module connector.

Is there any voltage present? 

Yes 

1. Repair the (G161) Driver Door Lock Switch Mux circuit for a short to voltage.
2. Perform BODY VERIFICATION TEST - VER 1 .

No 

1. Go to step  4).

Fig 3: Checking (P439) Memory Select MUX Wire Short To Voltage

Courtesy of DAIMLERCHRYSLER CORP.

Disconnect the Driver Memory Mirror Module C2 connector.

Measure the voltage of the (P439) Memory Select Switch Mux circuit.

Is there any voltage present? 

Yes 

1. Repair the (P439) Memory Select Switch Mux wire for a short to voltage.
2. Perform BODY VERIFICATION TEST - VER 1 .

No 

1. Replace the Driver Memory Mirror Module.
2. Perform BODY VERIFICATION TEST - VER 1 .