C0043

DTC C0043

Circuit Description
The pump motor is contained within the Brake Pressure Modulator Valve (BPMV). The pump motor ground is supplied though terminal 15 of the Electronic Brake Control Module (EBCM).

Conditions for Setting the DTC
DTC C0043 can only be set with the key in the ON position, the pump motor is OFF just after a run command, and the EBCM detected a seized or slowly moving pump motor.

Action Taken When the DTC Sets
^ The solenoid relay opens, removing power from the pump motor and solenoids.
^ DTC C0043 is stored.
^ ABS disabled, ABS warning lamp illuminates.

Conditions for Clearing the DTC
^ If the conditions that set DTC C0043 are no longer present, the DTC may be cleared by using the proper scan tool.
^ The DTC that has not occurred in 100 drive cycles will be cleared from history data.

Diagnostic Aids

Steps 1 - 10:

Typical causes for DTC C0043:
^ Poor terminal contact at terminal 15
^ Terminal 15 ground circuit high resistance
^ Terminal 15 ground circuit open
^ BPMV pump motor malfunction
^ EBCM malfunction