Pinpoint Test D: Front Axle Does Not Engage
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
- Normal Operation and Fault Conditions
REFER to: Front Drive Axle and Differential .
Possible Sources
- Mode Switch
- 4X4 control module
- Differential
- Integrated Wheel End (IWE)
- TCCM (Transfer Case Control Module)
- Wiring
- D1 CHECK THE ELD (ELECTRONIC LOCKING DIFFERENTIAL) DIAGNOSTIC TROUBLE CODES (DTCS)
- Ignition ON.
- Using a diagnostic scan tool, carry out the TCCM self-test.
Are there any Diagnostic Trouble Codes (DTCs) present?
Yes REFER to: Four-Wheel Drive Systems - Vehicles With: 2-Speed Torque On Demand Transfer Case . REFER to: Four-Wheel Drive Systems - Vehicles With: Electronic Shift Transfer Case . No The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.