Supercharger Disconnect Clutch Circuit High
Voltage on the supercharger clutch control line is above the expected window. Typical causes are a short to battery or an open coil that lets the driver float high.
Affected components
- Supercharger clutch
- Clutch solenoid
- Wiring harness
Common causes
- High likelihood: Control wire shorted to a B+ supply
- Medium likelihood: Open clutch coil
- Low likelihood: Connector pins corroded - high contact resistance
Possible symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
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.