C1242

CIRCUIT DESCRIPTION
The BPMV pump motor ground is supplied through a ground stud on the pump motor to a good ground.

CONDITIONS FOR SETTING THE DTC
All of the following conditions occur:
^ The pump relay is commanded OFF.
^ The pump motor ground resistance is greater than 6900 ohms.

ACTION TAKEN WHEN THE DTC SETS
^ A malfunction DTC is stored.
^ The ABS/TCS/Stabilitrak is disabled.
^ The ABS indicator is turned ON.
^ The TRACTION CONTROL indicator is turned ON.
^ The DIC displays the SERVICE STABILITY SYS message.

CONDITIONS FOR CLEARING THE DTC
^ The condition for DTC is no longer present and you used scan tool Clear DTCs function.
^ The condition for DTC is no longer present and you used the On-Board Clear DTCs function.
^ The EBTCM does not detect the DTC in 50 drive cycles.

DIAGNOSTIC AIDS
^ It is very important that a thorough inspection of the wiring and connectors be performed. Failure to carefully and fully inspect wiring and connectors may result in misdiagnosis, causing part replacement with reappearance of the malfunction.
^ An intermittent malfunction can be caused by poor connections, broken insulation, or a wire that is broken inside the insulation.
^ If an intermittent malfunction exists, refer to Intermittents and Poor Connections Diagnosis in Wiring Systems.

TEST DESCRIPTION
The numbers below refer to step numbers on the diagnostic table.
2. Checks for good pump motor ground.
4. Checks for good pump motor ground through the BPMV.