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Symptom: DRIVER CYLINDER UNLOCK SWITCH SHORT TO GROUND When Monitored and Set Condition: DRIVER CYLINDER UNLOCK SWITCH SHORT TO GROUND When Monitored: At all times when battery power is supplied to the Body Control Module. Set Condition: When the BCM senses voltage to the cylinder lock switch below .5 volts for over 10 seconds. POSSIBLE CAUSES DTC PRESENT CYLINDER UNLOCK SWITCH SHORTED CYLINDER UNLOCK SWITCH MUX CIRCUIT SHORTED BODY CONTROL MODULE - DRIVER CYLINDER UNLOCK SWITCH SHORT TO VOLTAGE TEST ACTION APPLICABILITY 1 NOTE: When this code is present, the VTSS indicator will stay on solid during the t, record and erase DTC’s. Cycle the ignition switch from ON to OFF to ON. t, read DTC’s. Remove the key and operate the Driver Cylinder Unlock Switch several times while t. Wait 10 seconds. t display DRIVER CYLINDER UNLOCK SWITCH SHORT TO GROUND? All Yes → Go To 2 No → Using the wiring diagram/schematic as a guide, inspect the wiring and connectors for an intermittent condition. 2 Disconnect the Driver Cylinder Unlock Switch connector. t in Sensors, read the DRV CYL UNLK SW MUX circuit Is the voltage above 4.6 volts? All Yes → Replace the Driver Cylinder Unlock Switch. Perform BODY VERIFICATION TEST - VER 1. No → Go To 3 297 POWER DOOR LOCKS/RKE |