Dodge Ram 2004 - Driver Door Ajar Circuit Shorted to Ground

Symptom:
*DRIVER DOOR AJAR CIRCUIT SHORTED TO GROUND
POSSIBLE CAUSES
DRIVER DOOR AJAR SWITCH SHORTED TO GROUND
DRIVER DOOR AJAR SWITCH SENSE CIRCUIT SHORTED TO GROUND
INSTRUMENT CLUSTER - DRIVER DOOR AJAR SHORTED
TEST ACTION APPLICABILITY
1 With the DRBIIIt in Inputs/Outputs, read the DRV DOOR AJAR SW state.
While monitoring the DRBIIIt, disconnect the Driver Door Ajar Switch harness
connector.
Did the Switch State change from CLOSED to OPEN?
All
Yes → Replace the Driver Door Ajar Switch.
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 2
2 Disconnect the Driver Door Ajar Switch harness connector.
Disconnect the Instrument Cluster C3 harness connector.
Using a 12-volt test light connected to 12-volts, probe the Driver Door Ajar Switch
Sense circuit and test for a short to ground.
Does the test light illuminate brightly?
All
Yes → Repair the Driver Door Ajar Switch Sense circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 3
3 If there are no possible causes remaining, view repair. All
Repair
Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1.
316
DOOR AJAR