Service Information

Captiva

DTC C0131

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 Descriptors

DTC C0131 00: Antilock Braking System/Traction Control System Pressure Circuit Malfunction

DTC C0131 5A: Antilock Braking System/Traction Control System Pressure Circuit Plausibility Failure

The brake pressure sensor is integral to the brake pressure modulator valve assembly. The electronic brake control module (EBCM) monitors the brake pressure sensor supply voltage and the signal voltage.

Conditions for Running the DTC

Ignition ON.

Conditions for Setting the DTC

C0131 00

The brake pressure sensor signal is out of the specified range.

C0131 5A

•	The EBCM detected an invalid or erratic brake pressure sensor signal.

•	The brake pressure sensor signal is not plausible.

•	The brake pressure sensor signal offset is out of specified range.

Action Taken When the DTC Sets

•	The EBCM disables the traction control and stability control for the duration of the ignition cycle.

•	The traction control/stability control-active indicator turns ON.

Conditions for Clearing the DTC

•	A current DTC clears when the diagnostic runs and passes.

•	The EBCM will turn OFF the indicator in the next ignition cycle.

Reference Information

Electrical Information Reference

•	Circuit Testing

•	Connector Repairs

•	Testing for Intermittent Conditions and Poor Connections

•	Wiring Repairs

Scan Tool Reference

Control Module References for scan tool information

Circuit/System Verification

Apply and release the brake pedal. Verify the brake brake lamps operate properly and the pedal returns.

⇒	If not within the specified value, refer to Symptoms - Lighting .

Replace the Q5 brake pressure modulator valve assembly and verify the DTC does not reset.

⇒	If the DTC resets, replace the K17 Electronic Brake Control Module (EBCM).

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

•	Brake Pressure Modulator Valve Replacement

•	Control Module References for EBCM replacement, programming and setup