For 1990-2009 cars only
Circuit Description
The electronic brake control module (EBCM) receives invalid information from other modules through serial data bus. The EBCM will set DTC based on this information.
DTC Descriptors
This diagnostic procedure supports the following DTCs:
| • | DTC C0249 Left Normal Force Error |
| • | DTC CO250 Right Normal Force Error |
This vehicle has DTCs which include DTC Symptoms. For more information on DTC Symptoms, refer to DTC Symptom Description .
DTC Symptom | DTC Symptom Descriptor |
|---|---|
71 | Invalid Serial Data Received |
Conditions for Running the DTC
| • | The ignition is ON. |
| • | Ignition voltage is greater than 8 volts. |
Conditions for Setting the DTC
The EBCM receives invalid information from other modules.
Action Taken When the DTC Sets
| • | The EBCM operates normal. |
| • | The Antilock Brake System (ABS), Traction Control System (TCS), and Brake indicator lights remain OFF. |
Conditions for Clearing the DTC
| • | The condition for the DTC is no longer present and the DTC is cleared with a scan tool. |
| • | The EBCM automatically clears the history DTC when a current DTC is not detected in 100 consecutive drive cycles. |
Diagnostic Aids
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.
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Antilock Brake System Schematics | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | -- | |
