C140Dhigh severityChassis
Right Rear Wheel Speed Sensor Circuit
on 2017 Jeep Cherokee 2.4L I4 · 4WD
What this code means
The ABS module detected a circuit fault in the right rear wheel speed sensor. Similar to OBD P-code C0040. This disables ABS and stability functions on that wheel.
Symptoms
- ABS warning light on
- Traction control disabled
- Speedometer may drop out
Common causes
- Damaged sensor wiring/connector
- Failed wheel speed sensor
- Corroded connector pins
- Faulty ABS module
Diagnostic steps
- Scan ABS module for codes
- Check sensor connector and harness
- Measure sensor resistance and air gap
- Compare live data across all wheels
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Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0026
RF Wheel Speed Sensor Circuit Intermittent
C0027
LR Wheel Speed Sensor Circuit Intermittent
C0028
RR Wheel Speed Sensor Circuit Intermittent
C0035
Left Front Wheel Speed Sensor Circuit
C0036
Left Front Wheel Speed Signal Erratic