C0201high severityChassis
EPS Motor Circuit Overcurrent
on 2002 Chevrolet Impala 3.4L V6 · FWD
What this code means
The EPS control module detected excessive current draw from the power steering motor.
Symptoms
- EPS warning light
- Power steering assist reduced
- Steering may become very heavy suddenly
- EPS fault message
Common causes
- EPS motor internal short
- Steering gear binding
- Low tire pressure causing excessive load
- EPS motor bearing failure
- Insufficient module power supply voltage
Diagnostic steps
- Measure EPS motor current draw
- Check tire pressures
- Inspect steering gear for binding
- Test motor winding resistance for shorts
- Check battery voltage and alternator output
Repair notes
Replace EPS motor if shorted. Check steering gear for mechanical binding. Verify electrical supply.
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C0021
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C0022
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C0023
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C0024
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C0025
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C0026
RF Wheel Speed Sensor Circuit Intermittent
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LR Wheel Speed Sensor Circuit Intermittent
C0028
RR Wheel Speed Sensor Circuit Intermittent
C0035
Left Front Wheel Speed Sensor Circuit
C0036
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