C0028moderate severityChassis
RR Wheel Speed Sensor Circuit Intermittent
on 2021 Lincoln Nautilus 2.7L EcoBoost V6 · AWD
What this code means
The right rear wheel speed sensor signal is intermittent.
Symptoms
- Intermittent ABS light
- Inconsistent rear braking
- Stability control fault intermittent
Common causes
- Wiring fatigue near rear suspension
- Road debris damage to harness
- Corroded rear connector
- Sensor retention clip broken
Diagnostic steps
- Road test with live data monitoring
- Inspect wiring along suspension travel path
- Check connector condition
- Test sensor mounting security
Repair notes
Repair wiring or connector. Replace retention hardware.
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Bluetooth code reader (~$25)
Veepeak OBDCheck BLE →
Pairs with your phone — reads and clears codes, live data.
Serious DIY (~$100)
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
Shop-grade tablet (~$300+)
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.
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