EPS Motor Position Sensor Circuit
2000-2005 Chevrolet Impala 3.4L V6
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 2000-2005 Chevrolet Impala?
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 Impala?
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 2000-2005 Chevrolet Impala?
Common causes of C0205 include: Faulty motor position sensor, Sensor wiring damage, EPS motor assembly failure, Electromagnetic interference.