Diagnostic Test

INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all FCM DTCs.
3. Actuate the Park Lamps.
4. With the Scan Tool read the DTCs.
  Does the scan tool read: B165D-PARK LAMP CONTROL CIRCUIT HIGH?
  
  Yes
  - Go to step 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 the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
PARK LAMP RELAY
1. Turn the ignition off.
2. Remove and install a known good relay in place of the Park Lamp Relay.
  Do the Front Fog Lamps operate normally?
  
  Yes
  - Replace the Park Lamp Relay in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
  No
  - Go to step 3
FRONT CONTROL MODULE (FCM)

Fig 1: Checking Park Lamp Relay Control Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Remove the Park Lamp Relay from the IPM.
3. Remove the FCM from the IPM.
4. Measure the voltage of the (L779) Park Lamp Relay Control circuit and ground.
  Is the voltage above 1.0 volts ?
  
  Yes
  - Replace the Integrated Power Module (IPM) in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
  No
  - Replace the Module Front Control (FCM) in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .