LR Wheel Speed Sensor Range/Performance
2000-2005 Mitsubishi Eclipse 2.4L I4
The 2000-2005 (6-year production run) Mitsubishi Eclipse is equipped with a 2.4L inline-4 engine. Below you'll find detailed c0023 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
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
Mitsubishi 3000GT
1996-1996 3.0L V6 Twin Turbo
Mitsubishi 3000GT
1997-1997 3.0L V6 Twin Turbo
Mitsubishi 3000GT
1998-1998 3.0L V6 Twin Turbo
Mitsubishi 3000GT
1999-1999 3.0L V6 Twin Turbo
Mitsubishi Colt JP
2002-2002 1.3L I4 4A90
Mitsubishi Colt JP
2002-2002 1.5L I4 4A91
Mitsubishi Colt JP
2003-2003 1.3L I4 4A90
Mitsubishi Colt JP
2003-2003 1.5L I4 4A91
Common Questions
What does code C0023 mean on a 2000-2005 Mitsubishi Eclipse?
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 Mitsubishi Eclipse?
Common symptoms of C0023 include: ABS light on, Rear ABS only partially functional, Stability control warning.
What causes C0023 on a 2000-2005 Mitsubishi Eclipse?
Common causes of C0023 include: Sensor contaminated with debris, Tone ring runout, Damaged sensor tip, Axle bearing wear.
Last updated: March 2026