Diagnostic Instructions
DTC Descriptor
DTC C0561 71: System Disabled Information Stored
Circuit/System Description
The electronic brake control module (EBCM) disables the ABS when other electronic control modules set DTCs for components that effect the operation of the traction control system.
Conditions for Running the DTC
| • | The ignition switch is in the ON position. |
| • | Ignition voltage is greater than 8 volts. |
Conditions for Setting the DTC
The powertrain control module (PCM) or body control module (BCM) diagnosis a condition prevention the engine control portion of the traction control function and sends a serial data message to the EBCM indicating that torque reduction is not allowed. The
PCM or BCM will typically set a DTC and the EBCM will set this DTC.
Action Taken When the DTC Sets
One or more of the following actions may occur:
| • | The EBCM disables the traction control system (TCS) until the DTC becomes a history DTC. |
| • | The traction Off Indicator turns ON. |
| • | The Antilock Brake System (ABS) remains functional. |
Conditions for Clearing the DTC
| • | The condition for the DTC is no longer present. |
| • | The EBCM automatically clears the history DTC when a current DTC is not detected in 100 consecutive drive cycles. |
Circuit/System Verification
This DTC is for information only. As an aid to the technician, this DTC indicates that there are no problems in the ABS/TCS system.
Repair Instructions
Perform the
Diagnostic Repair Verification
after completing the diagnostic procedure.
