Charging System Voltage
The ECU detects an out-of-range charging system voltage without specifying high or low. Indicates a generic charging fault that requires further sub-code investigation.
Affected components
- Alternator
- Voltage regulator
- Battery
Common causes
- High likelihood: Alternator output fault
- Medium likelihood: Voltage regulator fault
Diagnostic notes
- The malfunction indicator lamp may illuminate
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.