I see, so the codes are C1237 and B1236:
The C1237 and B1236 codes you mentioned are specific to the Anti-Lock Brake System (ABS) and the Stability Control System on your vehicle. Here's what each code means:
C1237 - Speed Wheel Right Rear Input Signal Missing
This code indicates that there is a problem with the ABS system's speed sensor on the right rear wheel. The ABS system relies on speed sensors at each wheel to monitor individual wheel speeds and ensure proper braking and stability control.
Possible causes of C1237:
Faulty or damaged ABS speed sensor on the right rear wheel.
Wiring issues or poor connections related to the right rear ABS speed sensor.
The ABS control module may be malfunctioning.
B1236 - Mirror Vertical Switch Circuit Short to Battery
This code is related to the mirror vertical switch, typically found in power mirror systems. It indicates that there is a short circuit to the battery in the circuit of the mirror's vertical switch.
Possible causes of B1236:
Damaged or faulty mirror vertical switch.
Wiring problem, such as a short circuit between the mirror vertical switch and the battery.
So, I would replace the right rear wheel speed sensor and then clear the codes. Check out the images (below). Please let us know how it goes.
Images (Click to make bigger)
Monday, August 7th, 2023 AT 9:41 AM