C0026
RF Wheel Speed Sensor Circuit Intermittent
2004-2007 Buick Rainier 4.2L I6
Moderate SeverityChassisGeneric (SAE)
Description
The right front wheel speed sensor signal drops out intermittently.
Symptoms
- Intermittent ABS light
- Sporadic traction control engagement
- ABS function unpredictable
Common Causes
- Wiring flexing near steering knuckle
- Connector corrosion
- Sensor loosening over time
- Harness chafing on suspension
Diagnostic Steps
- Wiggle test at connector and along harness
- Check connector pin tension
- Verify sensor mounting torque
- Monitor live data during road test
Repair Notes
Repair chafed wiring or replace connector. Secure sensor mounting.
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
- 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
C0026 on Other Vehicles
Common Questions
What does code C0026 mean on a 2004-2007 Buick Rainier?
C0026 stands for "RF Wheel Speed Sensor Circuit Intermittent". The right front wheel speed sensor signal drops out intermittently.
What are the symptoms of C0026 on a Buick Rainier?
Common symptoms of C0026 include: Intermittent ABS light, Sporadic traction control engagement, ABS function unpredictable.
What causes C0026 on a 2004-2007 Buick Rainier?
Common causes of C0026 include: Wiring flexing near steering knuckle, Connector corrosion, Sensor loosening over time, Harness chafing on suspension.