RAM 1500 Truck 4WD V8-5.7L VIN D (2005)
DTC PRESENT
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(Z463) Cylinder lock switch ground open
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(G163) Cylinder lock switch mux circuit open
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(G163) Cylinder lock switch mux wire short to ground
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Cylinder lock switch
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Instrument cluster
Diagnostic Test
1. DTC PRESENT
Turn the ignition on.
With the DRBIII(R), read DTC's.
Q: Are there any Power Door Lock related trouble codes?
YES: Refer to symptom list for problems related to Power Door Locks. Perform BODY VERIFICATION TEST - VER 1. See: Computers and
Control Systems/Testing and Inspection/Diagnostic Trouble Code Tests and Associated Procedures/Verification Tests/Body Verification Test
NO: Go To 2
2. CYLINDER LOCK SWITCH VOLTAGE LOW
Turn the ignition off.
Disconnect the Cylinder Lock Switch connector.
Turn the ignition on.
Measure the voltage between (G163) Cylinder Lock Switch Mux circuit and ground.
