OBD-II code · Chassis

C0053 Left Rear Wheel Speed Sensor Circuit High

Voltage in the left rear wheel speed sensor circuit is above 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.

Is it safe to drive with C0053?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyWiring shorted to B+
  • PossibleConnector water ingress
  • Less likelyConnector pins corroded - high contact resistance

Symptoms

  • ABS warning light on
  • ESC/stability control deactivated
  • Possible reduced brake assist
  • Speedometer may behave erratically

Repair at a glance

Difficulty
Medium
DIY friendly
Often, with basic tools
Typical labour
0.5–2 h
Emissions test
Usually unaffected
Parts involved
Wheel Speed Sensor Rl, Sensor Wiring

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.