C0056

DTC C0056 System Relay Stuck ON






Circuit Description
This DTC identifies a possible malfunction within the EBCM. When the EBCM relay is activated (turned on), voltages is supplied to the valve solenoids and pump motor.

Conditions for Setting the DTC
^ DTC C0056 will set when possible internal malfunctions exist.

Action Taken When the DTC Sets
^ ABS Warning Lamp is not turned on.
^ DTC 0056 is stored.
^ ABS remains functional.

Conditions for Clearing the DTC
^ If the conditions that set DTC C0056 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
^ Repair low voltage, driveability, or other electrical complaints first, prior to performing C0056 trouble tree.
^ Make sure the integrity of the connection between the EBCM and the BPMV is secure, tight and free of corrosion, leaks and/or damage.

Steps 1-7:

^ Possible cause for DTC C0056 to set is an internal relay problem within EBCM.