LEMON Manuals: Even more car manuals for everyone
Home >> Lincoln >> 2019 >> MKC Select, AWD >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission External Controls >> Diagnosis And Testing >> External Controls >> Pinpoint Tests >> Pinpoint Test K : DTC U0121 >> Notes

Pinpoint Test K : DTC U0121: Notes

DTC U0121 

Refer to Module Communications Network for schematic and connector information.

Normal Operation and Fault Conditions 

The ABS, GSM and TRCM use information contained in messages on the HS-CAN.

NOTE: If a GSM self-test is to be performed, make sure the drivers door is closed and locked.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
U0121 Lost Communication With Anti-Lock Brake System (ABS) Control Module This DTC sets if the TRCM and/or the GSM does not receive some or all of an expected message from the ABS module.

Possible Sources 

scientia non olet · About LEMON Manuals