For 1990-2009 cars only
Diagnostic Instructions
| • | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
| • | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
| • | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
DTC Descriptor
DTC C0563 00: Calibration Read Only Memory (ROM) Checksum ErrorCircuit/System Description
The electronic brake control module (EBCM) communicates with the engine control module (ECM), body control module (BCM) and instrument panel cluster (IPC) to correlate the correct calibrations are programmed in the EBCM.
Conditions for Running the DTC
Ignition voltage is greater than 9.6 volts.
Conditions for Setting the DTC
The EBCM has been improperly programmed.
Actions Taken When DTC Sets
| • | The EBCM disables the ABS and the TCS for the duration of the ignition cycle. |
| • | The ABS indicator turns ON. |
| • | The TC indicator turns ON. |
| • | The VSES indicator turns ON. |
Conditions for Clearing the DTC
| • | The condition for the DTC is no longer present. |
| • | The electronic brake control module (EBCM) automatically clears the history DTC when a current DTC is not detected in 100 consecutive drive cycles. |
Reference Information
Schematic Reference
Antilock Brake System Schematics
Connector End View Reference
Description and Operation
Electrical Information Reference
Scan Tool Reference
Control Module References for scan tool information.
Circuit/System Verification
Verify that DTC C0563 is not set.
| ⇒ | If the DTC is set, program the EBCM. If the DTC resets, replace the EBCM. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for EBCM replacement, setup, and programming
