Prndl Switch Input Circuit Shorted (Diesel Only) - Dodge Ram 2004 Service Manual

INSTRUMENT CLUSTER
Symptom:

PRNDL SWITCH INPUT CIRCUIT SHORTED (DIESEL ONLY)

When Monitored and Set Condition:
PRNDL SWITCH INPUT CIRCUIT SHORTED (DIESEL ONLY)
When Monitored: With the ignition on.
Set Condition: The instrument Cluster detects that a short condition exists in the
PRNDL circuit.
TRANSMISSION RANGE SENSOR
TRS 5 VOLT SUPPLY CIRCUIT SHORT TO TRS MUX CIRCUIT
TRS 5 VOLT SUPPLY CIRCUIT SHORT TO GROUND
INSTRUMENT CLUSTER
TEST
1 NOTE: Ensure that the correct Instrument Cluster is installed and is
correctly configured for the vehicle.
Turn the ignition off.
Disconnect the Transmission Range Sensor harness connector.
Turn the ignition on.
With the DRBIII , read DTCs.
Does the DRBIII display PRNDL Input Circuit Open?
Yes → Replace the Transmission Range Sensor in accordance with the
→ Go To 2
No
2 Turn the ignition off.
Disconnect the Transmission Range Sensor harness connector.
Disconnect the Instrument Cluster C2 and C3 harness connectors.
Measure the resistance between the TRS 5 Volt Supply circuit and the TRS MUX
circuit.
Is the resistance below 5.0 ohms?
Yes → Repair the TRS 5 Volt Supply circuit for a short to the TRS MUX
→ Go To 3
No
POSSIBLE CAUSES
ACTION
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
circuit.
Perform BODY VERIFICATION TEST - VER 1.
438
APPLICABILITY
All
All