C1234 BUICK, CADILLAC, CHEVROLET, GMC, PONTIAC: LEFT REAR WHEEL SPEED CIRCUIT OPEN OR SHORTED
POST UPDATED IN January, 2023
C1234 BUICK, CADILLAC, CHEVROLET, GMC, PONTIAC: LEFT REAR WHEEL SPEED CIRCUIT OPEN OR SHORTED
Wheel Speed Sensors are devices that feature a reluctance ring or wheel. When the ring has movements, the teeth of the ring create interruptions to a magnetic field, an action that produces electrical pulses that are provided to a controller (EBCM), which interprets them as the speed of the wheel.
C1234 OBD2 diagnostic code is stored when the Left Rear Wheel Speed Sensor has erratic operation caused by an open or shorted circuit.
The reasons for the C1234 OBDII fault code are as follows:
In order to resolve the DTC C1234 OBD2 code you must do the following: