Possible Causes
| Possible Causes |
|---|
| (C27) A/C COMPRESSOR CONTROL CIRCUIT SHORTED TO VOLTAGE |
| (C27) A/C COMPRESSOR CONTROL CIRCUIT SHORTED TO GROUND |
| (C27) A/C COMPRESSOR CONTROL CIRCUIT OPEN OR HIGH RESISTANCE |
| (Z909) GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| A/C COMPRESSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .