Fault code index · high
C1143
Wheel Speed Sensor LR Tone Ring Missing Tooth
Wheel Speed Sensor LR Tone Ring Missing Tooth
Common causes
- See factory diagnostic procedure / wiring diagram for this code
Quick checks
- Confirm freeze-frame and conditions when the code set
- Compare live sensor values vs expected (unplugged/biased sensors are common)
- Generic OBD often cannot read ABS — may need SDD/JLR tool for full module codes
Typical fixes
- Inspect rear left ABS reluctor ring (CV joint)