DTC | Description | Fault Trigger Conditions |
|---|---|---|
C0031:15 Left Front Wheel Speed Sensor: Circuit Short to Battery or Open | These Diagnostic Trouble Codes (DTCs) set in continuous memory and on-demand if there is a short to battery voltage or an open in the sensor signal return circuit. A short to battery voltage may be due to the sensor signal return circuit and the sensor voltage supply circuit shorted together. These Diagnostic Trouble Codes (DTCs) also set if the sensor has an internal short to battery voltage or an open circuit. | |
C0034:15 Right Front Wheel Speed Sensor: Circuit Short to Battery or Open |
Possible Causes
Wiring, terminals or connectors Wheel speed sensors ABS module
Visual Inspection and Diagnostic Pre-checks
Make sure the wheel speed sensor harness is routed correctly and is undamaged. Make sure the wheel speed sensor electrical connector is free from any corrosion or other contaminants.
PINPOINT TEST K : WHEEL SPEED SENSOR ELECTRICAL FAULTS - FRONT
NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may cause damage to the connector
K1 CHECK FOR FAULT REPEATABILITY
Ignition ON. Using a diagnostic scan tool, clear all ABS module Diagnostic Trouble Codes (DTCs). Ignition OFF. Ignition ON. Test drive the vehicle above 20 km/h (12 mph) and carry out at least 1 ABS stop. Bring the vehicle to a safe stop. Using a diagnostic scan tool, carry out the ABS module self-test.
Is DTC C0031:11, C0031:15, C0034:11 or C0034:15 present?
Yes | If the Rotunda Active Wheel Speed Sensor Tester is available, GO to K2 If the Rotunda Active Wheel Speed Sensor Tester is not available and DTC C0031:15 or C0034:15 is present, GO to K5 If the Rotunda Active Wheel Speed Sensor Tester is not available and DTC C0031:11 or C0034:11 is present, GO to K7 | |
|---|---|---|
No | The system is operating correctly at this time. INSPECT both front wheel speed sensor electrical connectors and the ABS module electrical connector. REPAIR or CLEAN the connector as necessary. ADDRESS the root cause of any connector or pin issues. | |
K2 CHECK THE ABS (ANTI-LOCK BRAKE SYSTEM) MODULE OUTPUT USING THE ROTUNDA ACTIVE WHEEL SPEED SENSOR TESTER
Ignition OFF. Disconnect the suspect wheel speed sensor electrical connector. Connect the Rotunda Active Wheel Speed Sensor Tester to the wheel speed sensor connectors. Ignition ON. Select the correct system polarity on the Rotunda Active Wheel Speed Sensor Tester and turn the power switch to the ON position.
Is the tester output LED illuminated?
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