C0040
Right Front Wheel Speed Sensor Circuit
1999-2000 BMW 528iT E39 2.8L I6 🇨🇦
Moderate SeverityChassis
Description
Malfunction in the right front ABS wheel speed sensor.
Symptoms
- ABS light on
- Traction control light on
- ABS inactive
Common Causes
- Faulty sensor
- Tone ring damage
- Wiring issue
- Wheel bearing failure
Diagnostic Steps
- Test sensor
- Inspect tone ring
- Check wiring
- Check bearing
Repair Notes
Replace sensor. Check bearing and tone ring.
Related Codes
Other Chassis Codes
- C0021LF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0023LR 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
C0040 on Other Vehicles
Common Questions
What does code C0040 mean on a 1999-2000 BMW 528iT E39?
C0040 stands for "Right Front Wheel Speed Sensor Circuit". Malfunction in the right front ABS wheel speed sensor.
What are the symptoms of C0040 on a BMW 528iT E39?
Common symptoms of C0040 include: ABS light on, Traction control light on, ABS inactive.
What causes C0040 on a 1999-2000 BMW 528iT E39?
Common causes of C0040 include: Faulty sensor, Tone ring damage, Wiring issue, Wheel bearing failure.