Powertrain Controls - ECM/PCM

DTC 81 Chart.:

Wiring Diagram.:

ABS MESSAGE FAULT

The PCM receives massages from the ABS controller to activate the traction control system. When messages are not transmitted properly between the ABS controller and PCM, a DTC 81 will set.

DTC PARAMETERS

DTC 51 will set if:

^ No message received from the ABS controller.


^ A certain number of incorrect messages have been sent to the PCM.

DIAGNOSTIC AIDS

^ Check the tightness of the female terminal grip with a spare male terminal.


^ If DTC 51 is set traction control will be disabled.