Generator Voltage Sense Circuit B Range/Performance
The voltage sense circuit B for the generator reports a circuit b range/performance condition. Generator output regulation may be impaired.
Affected components
- Generator b
- Wiring harness
- Ecm
Common causes
- High likelihood: Voltage sense drift outside calibration
- Medium likelihood: High-resistance contact
- Low likelihood: Sensor element aged beyond calibration window
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.