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Symptom: DRIVER DOOR LOCK SWITCH INPUT CIRCUIT STUCK When Monitored and Set Condition: DRIVER DOOR LOCK SWITCH INPUT CIRCUIT STUCK When Monitored: At all times when battery power is supplied to the Instrument Cluster. Set Condition: When the instrument cluster senses voltage to the driver door lock switch between 1.3 and 3.75 for over 20 seconds, this code will set. POSSIBLE CAUSES DTC PRESENT INSTRUMENT CLUSTER - DOOR LOCK SWITCH VOLTAGE INCORRECT DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND DOOR LOCK SWITCH STUCK TEST ACTION APPLICABILITY 1 Turn the ignition on. t, record and erase DTC’s. With the DRBIII t, read DTC’s. Operate the door lock several times from the Driver Door Lock Switch while t. Does the DRBIII t display DR DOOR LOCK SW INPUT STUCK? All Yes → Go To 2 No → Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Check the door lock switch for a possible 2 With the DRBIII t in Sensors, read the DR DOOR LOCK SW voltage. Does the DRBIII t display voltage between 1.3 and 3.75 volts? All Yes → Go To 3 No → Replace the Instrument Cluster. Perform BODY VERIFICATION TEST - VER 1. 3 Disconnect the Driver Door Lock Switch (Driver Door Module C1) connector. All Yes → Replace the Driver Door Module. Perform BODY VERIFICATION TEST - VER 1. No → Repair the Driver Door Lock Switch Mux circuit for a partial short to ground. 473 POWER DOOR LOCKS/RKE |