Steering Position Sensor Circuit Low
2016-2016 Ford Explorer 3.5L V6 EcoBoost
The 2016 Ford Explorer is equipped with a 3.5L V6 turbocharged gasoline engine. Below you'll find detailed c0078 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
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
Common Questions
What does code C0078 mean on a 2016-2016 Ford Explorer?
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 Ford Explorer?
Common symptoms of C0078 include: Stability control fault, ESC disabled, Steering position reads incorrectly on scan tool.
What causes C0078 on a 2016-2016 Ford Explorer?
Common causes of C0078 include: Sensor power supply low, Signal wire shorted to ground, Sensor internal failure, Clock spring wiring issue.
Last updated: March 2026
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