A and C Clutch Relay Control Circuit
A general circuit fault on the A/C clutch relay control - the line over which the ECU engages the magnetic clutch to drive the A/C compressor.
Affected components
- Ac clutch relay
Common causes
- High likelihood: Open in relay or wiring
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.