C0046
Left Rear Wheel Speed Signal Erratic
1990-1997 Ford Aerostar 4.0L V6
Moderate SeverityChassisGeneric (SAE)
Description
Erratic signal from left rear sensor.
Symptoms
- ABS light on
- Unexpected ABS activation
Common Causes
- Tone ring crack
- Debris
- Bearing wear
Diagnostic Steps
- Scope signal
- Inspect tone ring
- Check bearing
Repair Notes
Replace sensor or 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
C0046 on Other Vehicles
Ford Aerostar
1990-1997 3.0L V6
Ford Bronco
1990-1996 4.9L I6 300
Ford Bronco
1990-1996 5.0L V8 302 Windsor
Ford Bronco
1990-1996 5.8L V8 351 Windsor
Ford Bronco
2021-2024 2.3L I4 EcoBoost
Ford Bronco
2021-2024 2.7L V6 EcoBoost
Ford Bronco Raptor
2022-2024 3.0L V6 EcoBoost
Ford Bronco Sport
2021-2024 1.5L I3 EcoBoost
Common Questions
What does code C0046 mean on a 1990-1997 Ford Aerostar?
C0046 stands for "Left Rear Wheel Speed Signal Erratic". Erratic signal from left rear sensor.
What are the symptoms of C0046 on a Ford Aerostar?
Common symptoms of C0046 include: ABS light on, Unexpected ABS activation.
What causes C0046 on a 1990-1997 Ford Aerostar?
Common causes of C0046 include: Tone ring crack, Debris, Bearing wear.