Starter/Generator Excitation Current High
The starter/generator excitation current is above the expected window. Indicates winding short or driver fault.
Affected components
- Starter generator excitation circuit
- Starter generator
Common causes
- High likelihood: Excitation winding short
- Medium likelihood: Output driver fault high
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
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.