MIL Control Circuit Low
Voltage on the malfunction indicator lamp control line is below the expected window. Usually a short to ground or a shorted bulb driver.
Affected components
- Mil lamp
- Instrument cluster
- Wiring harness
Common causes
- High likelihood: Control wire shorted to ground
- Medium likelihood: Bulb driver internally shorted
- Low likelihood: Connector pins corroded - high contact resistance
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.