LR Wheel Speed Sensor Circuit Intermittent
2018-2025 Fiat Cronos 1.3L I4 Flex Firefly
Description
The left rear wheel speed sensor signal is intermittent.
Symptoms
- Intermittent ABS warning
- Rear ABS function inconsistent
- Stability control intermittent fault
Common Causes
- Wiring damaged along rear axle
- Connector exposed to road spray
- Sensor loose in mounting boss
- Broken wire inside insulation
Diagnostic Steps
- Monitor rear sensor signals during road test
- Inspect wiring along rear axle or trailing arm
- Check connector seals and pins
- Verify sensor retention
- Perform wiggle test
Repair Notes
Repair damaged wiring. Replace connector seals. Re-secure sensor.
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
- C0028RR Wheel Speed Sensor Circuit Intermittent
- C0035Left Front Wheel Speed Sensor Circuit
- C0036Left Front Wheel Speed Signal Erratic
- C0040Right Front Wheel Speed Sensor Circuit
C0027 on Other Vehicles
Fiat 124 Spider
2017-2020 1.4L I4 Turbo
Fiat 126p Maluch
1973-2000 0.65L I2 Air-Cooled
Fiat 126p Maluch
1987-2000 0.7L I2 Air-Cooled
Fiat 500
2012-2019 1.4L I4
Fiat 500 Abarth
2012-2019 1.4L I4 Turbo
Fiat 500 BR
2011-2020 1.4L I4 Flex Fire Evo
Fiat 500 PL
2007-2025 1.0L I3 Hybrid FireFly 70
Fiat 500 PL
2007-2025 1.2L I4 Fire 69
Common Questions
What does code C0027 mean on a 2018-2025 Fiat Cronos?
C0027 stands for "LR Wheel Speed Sensor Circuit Intermittent". The left rear wheel speed sensor signal is intermittent.
What are the symptoms of C0027 on a Fiat Cronos?
Common symptoms of C0027 include: Intermittent ABS warning, Rear ABS function inconsistent, Stability control intermittent fault.
What causes C0027 on a 2018-2025 Fiat Cronos?
Common causes of C0027 include: Wiring damaged along rear axle, Connector exposed to road spray, Sensor loose in mounting boss, Broken wire inside insulation.