C0201
DTC C0201
Circuit Description
The solenoid relay, located within the electronic brake control module (EBCM), supplies battery voltage to all of the valve solenoids.
DTC Descriptor
This diagnostic procedure supports the following DTC:
DTC C0201 Antilock Brake System (ABS) Enable Relay Contact Circuit
Conditions for Running the DTC
The ignition is ON.
Conditions for Setting the DTC
The EBCM detects that the solenoid relay is open for 200 milliseconds, when the relay is supposed to be closed.
Action Taken When the DTC Sets
* The EBCM disables the ABS/dynamic rear proportion (DRP).
* The ABS indicator turns ON.
* The ABS fault message turns ON.
* The brake warning indicator turns ON.
* The brakes message is displayed.
Conditions for Clearing the DTC
The Conditions for Setting the DTC are no longer present and you use the scan tool Clear DTCs function.
Diagnostic Aids
Inspect for poor connections that may affect the battery positive voltage circuit to terminal 1 of the EBCM, if this DTC continues to set intermittently. Replace the EBCM, if no wiring concerns are found.
