EPS Motor Position Sensor Circuit
2014-2016 Chevrolet Spark EV Electric Motor
Description
Malfunction in the EPS motor position sensor used for commutation and control.
Symptoms
- EPS warning light
- No power steering assist
- Motor may vibrate or oscillate
- Noise from steering column
Common Causes
- Faulty motor position sensor
- Sensor wiring damage
- EPS motor assembly failure
- Electromagnetic interference
Diagnostic Steps
- Read EPS motor position data with scan tool
- Check sensor signal during slow steering input
- Inspect motor assembly connector
- Test for EMI sources near steering column
- Check motor resolver resistance
Repair Notes
Replace EPS motor assembly. Motor position sensor is typically integral to motor.
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
C0205 on Other Vehicles
Chevrolet Astro
1995-2005 4.3L V6 Vortec
Chevrolet Avalanche
2002-2006 5.3L V8 Vortec
Chevrolet Avalanche
2002-2006 8.1L V8 Vortec
Chevrolet Avalanche
2007-2013 5.3L V8 Vortec
Chevrolet Avalanche
2007-2013 6.0L V8 Vortec
Chevrolet Aveo
2012-2018 1.6L I4
Chevrolet Beat
2018-2021 1.2L I4
Chevrolet Blazer
1995-2005 4.3L V6 Vortec
Common Questions
What does code C0205 mean on a 2014-2016 Chevrolet Spark EV?
C0205 stands for "EPS Motor Position Sensor Circuit". Malfunction in the EPS motor position sensor used for commutation and control.
What are the symptoms of C0205 on a Chevrolet Spark EV?
Common symptoms of C0205 include: EPS warning light, No power steering assist, Motor may vibrate or oscillate, Noise from steering column.
What causes C0205 on a 2014-2016 Chevrolet Spark EV?
Common causes of C0205 include: Faulty motor position sensor, Sensor wiring damage, EPS motor assembly failure, Electromagnetic interference.