DTC Fault Trigger Conditions
DTC | Description | Fault Trigger Conditions |
|---|---|---|
C0030:07, C0033:07, C0036:07, C0039:07 | Tone Wheel: Mechanical Failure | These Diagnostic Trouble Codes (DTCs) set in continuous memory and on-demand if there is damage to the wheel speed sensor encoder, damage to the wheel bearing, or contamination or deformation of the wheel bearing seal. |
C0031:07, C0034:07, C0037:07, C003A:07 | Wheel Speed Sensor: Mechanical Failure | These Diagnostic Trouble Codes (DTCs) set in continuous memory and on-demand if the wheel speed sensor, encoder or wheel bearing is damaged, or if the wheel bearing is not installed correctly. These Diagnostic Trouble Codes (DTCs) also set if an incorrectly sized tire is installed on the vehicle or if an excessive air gap exists between the wheel speed sensor and the encoder due to an incorrect component being installed. |
C0031:29, C0034:29, C0037:29, C003A:29 | Wheel Speed Sensor: Signal Invalid | These Diagnostic Trouble Codes (DTCs) set in continuous memory and on-demand if the wheel speed sensor is damaged, if the encoder is missing or damaged, if there is an excessive gap between the sensor and encoder, if the wrong sensor is installed (bi-directional versus uni-directional) or if the tire size is incorrect for the vehicle. |
C0031:2F, C0034:2F, C0037:2F, C003A:2F | Wheel Speed Sensor: Signal Erratic | These Diagnostic Trouble Codes (DTCs) set in continuous memory and on-demand if the wheel speed sensor is damaged, if the encoder is missing or damaged, if there is an excessive gap between the sensor and encoder or high frequency interference. |
C0031:64, C0034:64, C0037:64, C003A:64 | Wheel Speed Sensor: Signal Plausibility Failure | These Diagnostic Trouble Codes (DTCs) set in continuous memory and on-demand if the wheel speed sensor is damaged, if the encoder is missing or damaged, if there is an excessive gap between the sensor and encoder, if the wrong sensor is installed (bi-directional versus uni-directional) or if the tire size is incorrect for the vehicle. |
Possible Causes
Wiring, terminals or connectors Tire size Tire pressure Wheel speed sensor Wheel speed sensor encoder Wheel bearing ABS module
PINPOINT TEST B : WHEEL SPEED SENSOR ERRATIC SIGNAL FAULTS
NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may cause damage to the connector
B1 CHECK FOR ABS (ANTI-LOCK BRAKE SYSTEM) MODULE DIAGNOSTIC TROUBLE CODES (DTCS)
Ignition ON. Using a diagnostic scan tool, carry out the ABS module self-test. Retrieve and record all ABS module Diagnostic Trouble Codes (DTCs).
Is DTC C003x:29 or C003x:64 present?
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