C0220
EPS Control Module Internal Fault
2014-2021 Mazda Mazda6 2.5L I4
High SeverityChassisGeneric (SAE)
Description
The electric power steering control module has detected an internal error.
Symptoms
- EPS warning light
- Reduced or no power steering assist
- EPS assist may be intermittent
- Warning message on dash
Common Causes
- EPS module internal component failure
- Module overheating
- Software error
- Power supply voltage spike or drop
Diagnostic Steps
- Check module power supply voltage
- Inspect module grounds
- Check for module overheating
- Attempt module reset by cycling ignition
- Check for software update availability
Repair Notes
Replace EPS control module. Program and calibrate after installation.
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
C0220 on Other Vehicles
Common Questions
What does code C0220 mean on a 2014-2021 Mazda Mazda6?
C0220 stands for "EPS Control Module Internal Fault". The electric power steering control module has detected an internal error.
What are the symptoms of C0220 on a Mazda Mazda6?
Common symptoms of C0220 include: EPS warning light, Reduced or no power steering assist, EPS assist may be intermittent, Warning message on dash.
What causes C0220 on a 2014-2021 Mazda Mazda6?
Common causes of C0220 include: EPS module internal component failure, Module overheating, Software error, Power supply voltage spike or drop.