DTC 55

CONTROLLER FAULT
The ABS module perform a self check for the following:

^ Ability of the controller to execute valid instructions.
^ Random Access Memory (RAM) integrity.
^ Read Only Memory (ROM) integrity.
^ Microprocessor wheel speed circuitry.

If a problem is detected, ABS will be disabled and the antilock telltale will be turned On.

Diagnostic Chart: Code 55:

DIAGNOSTIC AIDS
If Code 82 is also set, recalibrate ABS control module.

If Code 55 is the only code, replace the ABS control module.