Dodge Ram 2004 - Fcm-Left Stop Lamp Output Circuit Low

Symptom:
FCM-LEFT STOP LAMP OUTPUT CIRCUIT LOW
POSSIBLE CAUSES
INTERMITTENT CONDITION
LEFT BRAKE LAMP FEED CIRCUIT SHORT TO GROUND
FRONT CONTROL MODULE
POWER DISTRIBUTION CENTER
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, clear all FCM DTC’s.
Actuate the Stop Lamps.
With the DRBIIIt, read the DTC information.
Does the DRBIIIt read: Left Stop Lamp Output Circuit Low?
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 IPM C3 harness connector.
Measure the resistance between ground and the Left Brake Lamp Feed circuit.
Is the resistance below 5.0 ohms?
All
Yes → Go To 3
No → Repair the Left Brake Lamp Feed circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
3 Turn the ignition off
Disconnect the FCM connector.
Disconnect the IPM C3 harness connector.
Measure the resistance between ground and the Left Brake Lamp Feed circuit in the
IPM.
Is the resistance below 5.0 ohms?
All
Yes → Replace the Power Distribution Center(PDC).
Perform BODY VERIFICATION TEST - VER 1.
No → Replace the Front Control Module.
Perform BODY VERIFICATION TEST - VER 1.
336
EXTERIOR LIGHTING