DTCs Set After Wheel Speed Sensor Replacement

The right and left front wheel speed sensors on 2019-2023 Silverado and Sierra trucks look very similar. When replacing a front wheel speed sensor (Fig. 3, #3), be sure to verify the correct wheel speed sensor part number before installation.

 

Fig. 3

 

Incorrectly installed sensors will not properly sense the magnetic encoder ring located on the wheel bearing assemblies. As a result, a right front wheel speed sensor cannot be installed on the left side of the vehicle, or vice versa.

An incorrect wheel speed sensor may result in a number of DTCs setting, including wheel speed sensor correlation DTCs C0505, C050B, C0511, C0517 and wheel speed sensor circuit DTCs C0501, C0502, C0503, C0504, C0507, C0508, C0509, C050D, C050E, C050F, C0510, C0513, C0514, C0515, C0516 and/or C050A.

Installation of the wrong sensor also may lead to the unnecessary replacement of several other parts, such as the brake system control module, wheel bearings, other wheel speed sensors, pigtail connectors, etc.

If a front wheel speed sensor is replaced and a wheel speed sensor DTC sets for the same side, check that the correct part number for the front wheel speed sensor has been installed. With the correct wheel speed sensor installed, the flat side of the sensor tip will be orientated towards the wheel bearing magnetic encoder ring as shown for the right front wheel speed sensor (Fig. 4, #1) and the left front wheel speed sensor (Fig. 5, #2).

 

Fig. 4

 

 

Fig. 5

 

Refer to #PIT5950 for additional information.

– Thanks to Jim Will

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