C141Ahigh severityChassis
Left Front Wheel Speed Sensor Signal Erratic
on 2014 Ram 2500 6.7L I6 Cummins Diesel · 4WD
What this code means
The ABS module sees an erratic or unstable signal from the left front wheel speed sensor. Comparable to OBD P-code C0035. Erratic readings cause ABS/stability faults.
Symptoms
- ABS light flickers or stays on
- Erratic speedometer
- Intermittent traction control drops
Common causes
- Damaged tone ring/reluctor
- Debris or metal on sensor tip
- Excessive sensor air gap
- Failing wheel speed sensor
Diagnostic steps
- Scan ABS module for codes
- Inspect tone ring for damage/debris
- Check sensor air gap and mounting
- View live sensor data while driving
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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