Diagnostic Test
- VERIFY ACTIVE DTC NOTE:
Make sure the IOD fuse is installed and battery Voltage is between 10 and 16 Volts before proceeding.
- Turn the ignition on.
- Using a scan tool, read DTCs.
Is the U0114-LOST COMMUNICATION WITH FINAL DRIVE CONTROL MODULE (FDCM) (ASBS) DTC active?
Yes
- Refer to U0114-LOST COMMUNICATION WITH FINAL DRIVE CONTROL MODULE and perform the U0114-Lost Communication with Final Drive Control Module (FDCM) (ASBS) diagnostic procedure.
No
- Refer to STORED LOST COMMUNICATION DTCS and perform the diagnostic procedure.