Symptom:
PARK LAMP OUTPUT SHORT
When Monitored and Set Condition:
PARK LAMP OUTPUT SHORT
When Monitored: Output is ON to OFF transition.
Set Condition: When Output is ON to OFF transition and voltage is detected low at
output for 10 seconds.
POSSIBLE CAUSES
INTERMITTENT CONDITION
PARK LAMP OUTPUT CIRCUIT SHORTED
PARK LAMP
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, clear all BCM DTC’s.
Turn the Park Lamps ON.
With the DRBIIIt, read the DTC information.
Does the DRBIIIt read: Park Lamp Output Short?
All
Yes → Go To 2
No → The condition that caused the symptom is currently not present.
Inspect the related wiring for a possible intermittent condition.
Look for any chafed, pierced,pinched, or partially broken wires.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off.
Disconnect the Park Lamp harness connector.
Disconnect the BCM C2 harness connector.
Measure the resistance between the Park Lamp Output circuit and ground.
Is the resistance below 100.0 ohms?
All
Yes → Repair the Park Lamp Output circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 3
3 Turn the ignition off.
Disconnect the Park Lamp harness connector.
Turn the ignition on.
Turn the park Lamps on.
Using a 12-volt test light connected to ground, check the Park Lamp Output circuit.
Does the test light illuminate brightly?
All
Yes → Replace the applicable Park Lamp.
Perform BODY VERIFICATION TEST - VER 1.
No → Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
194
EXTERIOR LIGHTING
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