Volt

ABS Indicator Malfunction

The instrument cluster turns ON the ABS indicator for 5 seconds after Vehicle in Service Mode or when the electronic brake control module detects a fault and sends a serial data message to the instrument cluster commanding the indicator ON.

Schematic Reference

Antilock Brake System Schematics

Connector End View Reference

Component Connector End Views

Description and Operation

ABS Description and Operation

Electrical Information Reference

Scan Tool Reference

Control Module References for scan tool information

1. Vehicle in Service Mode.
2. Verify that no DTCs are set.

⇒	If any DTCs are set

Refer to Diagnostic Trouble Code (DTC) List - Vehicle .

⇓	If no DTCs are set

3. Verify the instrument cluster ABS indicator turns ON and OFF when commanding the All Indicators ON and OFF with a scan tool.

⇒	If ABS indicator does not turn ON and OFF

Replace the P16 instrument cluster.

⇓	If the ABS indicator turns ON and OFF

4. Verify the ABS indicator turns OFF 5 seconds after the ignition is turned ON.

⇒	If the ABS indicator does not turn OFF

Replace the K17 electronic brake control module.

⇓	If the ABS indicator turns OFF

5. All OK.

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for electronic brake control module or instrument cluster replacement, programming and setup