2007 Commander XK Factory Service Manual 21 - TRANSMISSION AND TRANSFER CASE

C140E-TRANSFER CASE MOTOR BLOCKED

For a complete wiring diagram Refer to Section 8W



Possible Causes
  
TRANSFER CASE INTERNAL CONDITION
  
TRANSFER CASE MOTOR
  
FINAL DRIVE CONTROL MODULE
  



Diagnostic Test

1. DTC IS ACTIVE

Ignition on, engine not running.
With the scan tool, read DTCs in the Final Drive Control Module.

Is the status Active for this DTC?

Yes


No

2. TRANSFER CASE INTERNAL CONDITION

Turn the ignition off to the lock position
Inspect the Transfer Case in accordance with the Service Information to determine if there are any mechanical conditions that are preventing the Shift Motor from engaging the requested range.

Are any mechanical conditions preventing the Shift Motor from engaging the requested range?

Yes


No

3. TRANSFER CASE MOTOR

Turn the ignition off to the lock position
Using the wiring diagram/schematic as a guide, inspect all wiring and connectors that pertain to this circuit.
If any problems are found, repair as necessary and retest.
If no other problems are found, replace the Transfer Case Motor in accordance with the Service Information.
Ignition on, engine not running.
Cycle the Transfer Case Selector Switch to each position several times during a test drive.
With the scan tool, read DTCs in the Final Drive Control Module.

Is the DTC status Active?

Yes


No

4. INTERMITTENT WIRING AND CONNECTORS

The conditions necessary to set this DTC are not present at this time.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors.
Look for the data to change or for the DTC to reset during the wiggle test.

Were any problems found?

Yes


No