Steering Position Sensor Circuit Low
2018-2025 Fiat Cronos 1.0L I4 Flex Firefly
Description
The steering angle sensor is reporting a lower signal than expected for the current steering input.
Symptoms
- Stability control fault
- ESC disabled
- Steering position reads incorrectly on scan tool
Common Causes
- Sensor power supply low
- Signal wire shorted to ground
- Sensor internal failure
- Clock spring wiring issue
Diagnostic Steps
- Check sensor power supply voltage
- Test signal wire for shorts to ground
- Monitor sensor output through full steering range
- Inspect clock spring wiring
- Check steering column connector
Repair Notes
Repair wiring short or replace steering angle 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
- C0027LR Wheel Speed Sensor Circuit Intermittent
- C0028RR Wheel Speed Sensor Circuit Intermittent
- C0035Left Front Wheel Speed Sensor Circuit
- C0036Left Front Wheel Speed Signal Erratic
C0078 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 C0078 mean on a 2018-2025 Fiat Cronos?
C0078 stands for "Steering Position Sensor Circuit Low". The steering angle sensor is reporting a lower signal than expected for the current steering input.
What are the symptoms of C0078 on a Fiat Cronos?
Common symptoms of C0078 include: Stability control fault, ESC disabled, Steering position reads incorrectly on scan tool.
What causes C0078 on a 2018-2025 Fiat Cronos?
Common causes of C0078 include: Sensor power supply low, Signal wire shorted to ground, Sensor internal failure, Clock spring wiring issue.