Starter/Generator Excitation Current Intermittent
The starter/generator excitation current drops out or jumps intermittently. Loose connector or unstable driver.
Affected components
- Starter generator excitation circuit
- Wiring harness
Common causes
- High likelihood: Connector not seated
- Medium likelihood: Noisy ground reference
- Low likelihood: Connector with intermittent contact under vibration
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.