C0237 CHEVROLET - Erratic Rear Speed Signal
- Faulty Rear Speed Sensor
- Rear Speed Sensor harness is open or shorted
- Rear Speed Sensor circuit poor electrical connection
- Faulty EBCM
- ABS Warning Light ON
C0237 Chevrolet Description
As the wheel spins, the wheel speed sensor produces an Alternating Current (AC) signal. The Electronic Brake Control Module (EBCM) uses the frequency of the AC signal to calculate the wheel speed.
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