Chassis
generic / SAE
C0052
Left Rear Wheel Speed Sensor Circuit Low
Voltage in the left rear wheel speed sensor circuit is below the expected range. Wheel-speed signals feed ABS, ESC, traction control, transmission and odometer — a single dropped signal disables all of these safety functions until repaired.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number– / 52
Possible causes
- Wiring shorted to ground high
- Sensor open internally medium
- Connector pins corroded - high contact resistance low
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–350 €
- Estimated time: 0.5–2 h
- Component: wheel speed sensor rl
- Component: sensor wiring
Sources
References
sae:J2012