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 C0280 00: Stability System Active Too LongCircuit/System Description
The electronic brake control module (EBCM) detects a malfunction when VSES brake intervention is active for more than an excessive amount of time.
Conditions for Running the DTC
| • | The ignition is ON. |
| • | The ignition voltage is above 9.5 volts. |
Conditions for Setting the DTC
The EBCM detects VSES is active for more than 15 seconds.
Action Taken When the DTC Sets
One or more of the following actions may occur:
| • | The VSES functionality is disabled |
| • | The TCS/VSES indicators illuminate. |
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. |
Diagnostic Aids
| • | If there are any other DTCs recorded against the dynamic sensor diagnose them first. |
| • | This DTC may be stored as a history DTC without affecting the operation of the module. If stored only as a history DTC and not retrieved as a current DTC, do not replace the module. |
| • | If this DTC is retrieved as both a current and history DTC, replace the yaw rate/accelerometer sensor. |
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 C0280 is not set as current.
| ⇒ | If the DTC is set, clear the DTC with a scan tool, and operate the vehicle within the conditions for setting the DTC. If the DTC resets, replace the Yaw Rate/Lateral sensor. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Vehicle Yaw Sensor with Vehicle Lateral Accelerometer Replacement
