Fcm-Left Stop Lamp Output Circuit Open - Dodge Ram 2004 Service Manual

Symptom:

FCM-LEFT STOP LAMP OUTPUT CIRCUIT OPEN

INTERMITTENT CONDITION
LEFT BRAKE LAMP FEED CIRCUIT OPEN
FRONT CONTROL MODULE
POWER DISTRIBUTION CENTER
TEST
1 Turn the ignition on.
With the DRBIII , clear all FCM DTC's.
Actuate the Stop Lamps.
With the DRBIII , read the DTC information.
Does the DRBIII read: Left Stop Lamp Output Circuit Open?
Yes → Go To 2
→ The condition that caused the symptom is currently not present.
No
2 Turn the ignition off.
Disconnect the IPM C3 harness connector
Measure the resistance of the Left Brake Lamp Feed circuit.
Is the resistance above 5.0 ohms?
Yes → Repair the Left Brake Lamp Feed circuit for an open.
→ Go To 3
No
3 Turn the ignition off
Disconnect the FCM from the IPM.
Disconnect the IPM C3 harness connector.
Measure the resistance of the Left Brake Lamp Feed circuit.
Is the resistance above 5.0 ohms?
Yes → Replace the Power Distribution Center..
→ Replace the Front Control Module.
No
POSSIBLE CAUSES
ACTION
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.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
EXTERIOR LIGHTING
337
APPLICABILITY
All
All
All