Diagnostic Test

WARNING: This page is about a different variant/trim than selected.

VERIFY THE DTC IS ACTIVE
1. Ignition on, engine not running.
2. With the scan tool, read DTCs.
  Is the DTC active at this time?
  
  Yes
  - Go To 2.
  No
  - Go To 5.
ALL WHEEL DRIVE (AWD) MODULE INTERNAL FAILURE
1. With the scan tool, check the AWD failure indicator light.
  Is the AWD failure indicator light active at this time?
  
  Yes
  - Go To 3.
  No
  - Go To 4.
(T312) REAR DIFFERENTIAL SOLENOID CONTROL CIRCUIT SHORTED TO VOLTAGE

Fig 1: Checking Rear Differential Solenoid Control Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition off to the lock position.
2. Disconnect the AWD Control Module harness connector.
3. Measure the voltage of the (T312) Rear Differential Solenoid Control circuit in the AWD Module harness connector.
  Is there any voltage present?
  
  Yes
  - Repair the short to voltage in the (T312) Rear Differential Solenoid Control circuit.
  - Refer to Standard Procedure and perform the AWD CONTROL MODULE VERIFICATION TEST.
  No
  - Go To 4.
ALL WHEEL DRIVE CONTROL MODULE
1. The AWD Control Module has detected an internal failure.
  Repair
  - Replace the All Wheel Drive (AWD) Control Module in accordance with the Service Information.
  - Refer to Standard Procedure and perform the AWD CONTROL MODULE VERIFICATION TEST.
INTERMITTENT WIRING AND CONNECTORS
1. The conditions necessary to set this DTC are not present at this time.
2. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
3. Wiggle test the wiring harness and connectors while checking for shorted and open circuits.
4. Using the scan tool, monitor the data related to this circuit while performing the wiggle test. Look for the data to change or for the DTC to reset.
  Were there any problems found?
  
  Yes
  - Repair as necessary.
  - Refer to Standard Procedure and perform the AWD CONTROL MODULE VERIFICATION TEST.
  No
  - Test Complete.