C0023
LR Wheel Speed Sensor Range/Performance
1992-1998 BMW 325i E36 2.5L I6 M50 🇨🇦
Moderate SeverityChassis
Description
The left rear wheel speed sensor output is outside expected parameters for current vehicle speed.
Symptoms
- ABS light on
- Rear ABS only partially functional
- Stability control warning
Common Causes
- Sensor contaminated with debris
- Tone ring runout
- Damaged sensor tip
- Axle bearing wear
Diagnostic Steps
- Compare rear sensor speeds at steady cruise
- Inspect sensor for metallic debris buildup
- Measure tone ring runout with dial indicator
- Check axle bearing
- Test sensor output voltage
Repair Notes
Clean sensor and tone ring. Replace sensor if output is weak.
Related Codes
Other Chassis Codes
- C0021LF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
- C0025LF Wheel Speed Sensor Circuit Intermittent
- C0026RF Wheel Speed Sensor Circuit Intermittent
- C0027LR Wheel Speed Sensor Circuit Intermittent
- C0028RR Wheel Speed Sensor Circuit Intermittent
- C0035Left Front Wheel Speed Sensor Circuit
- C0036Left Front Wheel Speed Signal Erratic
- C0040Right Front Wheel Speed Sensor Circuit
C0023 on Other Vehicles
Common Questions
What does code C0023 mean on a 1992-1998 BMW 325i E36?
C0023 stands for "LR Wheel Speed Sensor Range/Performance". The left rear wheel speed sensor output is outside expected parameters for current vehicle speed.
What are the symptoms of C0023 on a BMW 325i E36?
Common symptoms of C0023 include: ABS light on, Rear ABS only partially functional, Stability control warning.
What causes C0023 on a 1992-1998 BMW 325i E36?
Common causes of C0023 include: Sensor contaminated with debris, Tone ring runout, Damaged sensor tip, Axle bearing wear.