Symptom:
DRIVER CYLINDER UNLOCK SWITCH OPEN OR SHORT TO VOLT-
AGE
When Monitored and Set Condition:
DRIVER CYLINDER UNLOCK SWITCH OPEN OR SHORT TO VOLTAGE
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 above 4.6 volts
for over 10 seconds.
POSSIBLE CAUSES
DTC PRESENT
DRIVER DOOR SWITCH RETURN OPEN
DRIVER CYLINDER UNLOCK SWITCH MUX OPEN
CYLINDER UNLOCK SWITCH OPEN
DRIVER CYLINDER UNLOCK SWITCH MUX SHORT TO VOLTAGE
BODY CONTROL MODULE - DRIVER CYLINDER UNLOCK SWITCH MUX SHORT TO VOLTAGE
TEST ACTION APPLICABILITY
1 NOTE: When thiscode is present,the VTSS indicator will illuminate solidduring 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.
Remove the key and operate the Driver Cylinder Lock Switch several times while
monitoring the DRBIIIt.
Wait 10 seconds.
Does the DRBIIIt display DRIVER CYLINDER UNLOCK SWITCH OPEN/SHORT
TO VOLTAGE?
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 Driver Cylinder Unlock Switch connector.
Using a 12-volt test light connected to 12-volts, check the Driver Door Switch Return
circuit.
Does the test light illuminate brightly?
All
Yes → Go To 3
No → Repair the Driver Door Switch Return circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
295
POWER DOOR LOCKS/RKE
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