Driver Door Lock Switch Input Circuit Shorted - Dodge Ram 2004 Service Manual

Symptom:

DRIVER DOOR LOCK SWITCH INPUT CIRCUIT SHORTED

When Monitored and Set Condition:
DRIVER DOOR LOCK SWITCH INPUT CIRCUIT SHORTED
When Monitored: At all times when battery power is supplied to the Instrument Cluster.
Set Condition: When the Instrument Cluster senses voltage to the driver door lock switch
below .25 volts, the input circuit is not valid and this code will set.
DTC PRESENT
DOOR LOCK SWITCH SHORTED
DOOR LOCK SWITCH MUX SHORTED
INSTRUMENT CLUSTER - - DRIVER DOOR LOCK SWITCH INPUT SHORTED
TEST
1 Turn the ignition on.
With the DRBIII , record and erase DTC's.
With the DRBIII , read DTC's.
Operate the door locks several times from the Driver Door Lock Switch while
monitoring the DRBIII .
Does the DRBIII display DR DOOR LOCK SW INPUT CIRCUIT SHORTED?
Yes → Go To 2
No
2 Disconnect the Driver Door Lock Switch (Driver Door Module C1) connector.
With the DRBIII in sensors, read the DRV DOOR LOCK SW MUX circuit.
Is the voltage above 4.6 volts?
Yes → Replace the Driver Door Module.
No
3 Disconnect the Driver Door Lock Switch (Driver Door Module C1) connector.
Disconnect the Instrument Cluster C2. connector.
Measure the resistance between Driver Door Lock Switch Mux circuit and ground.
Is the resistance below 1000.0 ohms?
Yes → Repair the Driver Door Lock Switch Mux circuit for a short to
No
POSSIBLE CAUSES
ACTION
→ Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
→ Go To 3
ground.
Perform BODY VERIFICATION TEST - VER 1.
→ Go To 4
POWER DOOR LOCKS/RKE
471
APPLICABILITY
All
All
All