Variable A/C Compressor Control Circuit
A general circuit fault on the control output to a variable-displacement A/C compressor - the ECU cannot vary swash-plate angle and the compressor stays at fixed displacement.
Affected components
- Variable ac compressor
Common causes
- High likelihood: Open in compressor solenoid or wiring
Possible symptoms
- Check engine light on
- Possible limp mode or no-start
- Multiple follow-up faults across modules
- Reset/relearn may be needed after repair
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.