C1444

C1444-TRANSFER CASE MOTOR OVERUSE

For a complete wiring diagram Consult Diagrams/Electrical

- When Monitored:
With the ignition on.

- Set Condition:
A calibrated motor abuse limit has been achieved. The Final Drive Control Module monitors the motor use and has determined that excessive motor activations have occurred.





Diagnostic Test

1. DTC IS ACTIVE
NOTE: Diagnose and repair any system voltage or Transfer Case related DTCs in the Final Drive Control Module before continuing with this test.

Ignition on, engine not running.
With the scan tool, clear Stored DTCs in the Final Drive Control Module.
Test drive the vehicle.
During the test drive, move the Transfer Case Selector Switch to each position several times.
With the scan tool, read DTCs in the Final Drive Control Module.
Does this DTC reset?

Yes

- Go to 2

No

- Go to 4

2. TRANSFER CASE SELECTOR SWITCH
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors relative to this circuit.
While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors.
Were any problems found?

Yes

- Repair as necessary.
- Perform the TRANSFER CASE VERIFICATION TEST-VER 1. Transfer Case Verification Test.

No

- Go to 3

3. FINAL DRIVE CONTROL MODULE
Turn the ignition off to the lock position
Replace the Transfer Case Selector Switch.
Ignition on, engine not running.
With the scan tool, clear Stored DTCs in the Final Drive Control Module.
Test drive the vehicle.
During the test drive, move the Transfer Case Selector Switch to each position several times.
With the scan tool, read DTCs in the Final Drive Control Module.
Does this DTC reset?

Yes

- Replace the Final Drive Control Module.
- Perform the TRANSFER CASE VERIFICATION TEST-VER 1. Transfer Case Verification Test.

No

- Test Complete.
- Perform the TRANSFER CASE VERIFICATION TEST-VER 1. Transfer Case Verification Test.

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

- Repair as necessary.
- Perform the TRANSFER CASE VERIFICATION TEST-VER 1. Transfer Case Verification Test.

No

- Test complete.