C0026moderate severityChassis
RF Wheel Speed Sensor Circuit Intermittent
on 2021 Buick Encore GX 1.3L Turbo I3 · AWD
What this code means
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.
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Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0025
LF Wheel Speed Sensor Circuit Intermittent