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) correlates the module calibration programmed.
Conditions for Running the DTC
Ignition ON.
Conditions for Setting the DTC
Incorrect calibration programmed.
Action Taken When the DTC Sets
| • | The EBCM disables the antilock brakes. |
| • | The EBCM sends a serial data message to illuminate the appropriate warning indicator/message. |
Conditions for Clearing the DTC
| • | The condition for the DTC is no longer present. |
| • | The EBCM clears the history DTC when a current DTC is not detected in 100 consecutive drive cycles. |
Diagnostic Aids
If the DTC was set after EBCM replacement, verify that the replacement EBCM and software are correct for the vehicle.
Reference Information
Schematic Reference
Antilock Brake System Schematics
Connector End View Reference
Description and Operation
Electrical Information Reference
| • | Circuit Testing |
| • | Wiring Repairs |
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
