Symptom:
DRIVER DOOR LOCK CIRCUIT SHORT TO GROUND
When Monitored and Set Condition:
DRIVER DOOR LOCK CIRCUIT 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 on the driver door switch mux circuit below
0.7 volts for over 10 seconds.
POSSIBLE CAUSES
DTC PRESENT
DRIVER DOOR SWITCH MUX CIRCUIT SHORT TO GROUND
DRIVER DOOR LOCK SWITCH SHORT TO GROUND
DRIVER INTERIOR DOOR HANDLE SWITCH SHORT TO GROUND
DRIVER DOOR SWITCH MUX WIRE SHORT TO THE DRIVER DOOR SWITCH RETURN.
BODY CONTROL MODULE - DRIVER DOOR SWITCH MUX CIRCUIT SHORT TO GROUND
TEST ACTION APPLICABILITY
1 NOTE: When this code is present, the VTSS indicator will stay on solid during the
arming process.
With the DRBIIIt, record and erase DTC’s.
Cycle the ignition switch from ON to OFF to ON.
With the DRBIIIt, read DTC’s.
Lower the driver door window.
Remove the key and operate all the driver door switches several times while
monitoring the DRBIIIt.
Wait 10 seconds.
Does the DRBIIIt display DRIVER DOOR LOCK CIRCUIT 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.
Perform BODY VERIFICATION TEST - VER 1.
2 Disconnect the Body Control Module C2 and C3 connectors.
Measure the resistance between ground and the Driver Door Switch Mux circuit in
the BCM C3 connector.
Is the resistance below 300.0 ohms?
All
Yes → Repair the Driver Door Switch Mux circuit for a short to ground
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 3
301
POWER DOOR LOCKS/RKE
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