EPS Control Module Voltage High
2002-2005 Ford Explorer 4.6L V8 🇩🇪
Description
The EPS module supply voltage exceeds the maximum safe operating threshold.
Symptoms
- EPS warning light
- EPS assist may shut down
- Warning for electrical system
Common Causes
- Alternator overcharging
- Voltage regulator failure
- Jump-starting voltage spike
- Aftermarket charger connected while running
Diagnostic Steps
- Test charging system voltage (should be 13.5-14.7V)
- Check alternator voltage regulator
- Inspect for aftermarket electrical accessories
- Monitor system voltage under various loads
Repair Notes
Repair overcharging alternator. Replace voltage regulator.
Related Codes
Other Chassis Codes
- C0021LF Wheel Speed Sensor Range/Performance
- C0021LF Wheel Speed Sensor Range/Performance
- C0021LF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
C0222 on Other Vehicles
Ford Bronco
2021-2024 2.3L I4 EcoBoost
Ford Bronco
2021-2024 2.7L V6 EcoBoost
Ford Bronco Raptor
2022-2024 3.0L V6 EcoBoost
Ford Bronco Sport
2021-2024 1.5L I3 EcoBoost
Ford Bronco Sport
2021-2024 2.0L I4 EcoBoost
Ford Contour
1995-2000 2.0L I4
Ford Contour
1995-2000 2.5L V6
Ford Crown Victoria
1998-2011 4.6L V8 Modular 2V
Common Questions
What does code C0222 mean on a 2002-2005 Ford Explorer?
C0222 stands for "EPS Control Module Voltage High". The EPS module supply voltage exceeds the maximum safe operating threshold.
What are the symptoms of C0222 on a Ford Explorer?
Common symptoms of C0222 include: EPS warning light, EPS assist may shut down, Warning for electrical system.
What causes C0222 on a 2002-2005 Ford Explorer?
Common causes of C0222 include: Alternator overcharging, Voltage regulator failure, Jump-starting voltage spike, Aftermarket charger connected while running.