Chassis
generic / SAE
C0038
Left Rear Wheel Speed Sensor Supply
Fault on left rear wheel speed sensor supply circuit. 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– / 38
Possible causes
- Supply wiring fault high
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 60–400 €
- Estimated time: 0.5–2 h
- Component: lr wss
- Component: sensor supply
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012