GM OBD Trouble Code 67
A/C Pressure sensor circuit error
The ECM monitors the A/C system pressure sensor circuit. If the system pressure is to low or too high the ECM will not allow the A/C compressor to operate.
Fault Code Description
- 67 - A/C Pressure sensor circuit error
Symptoms
- Poor A/C performance
Common Problems
- Open or shorted wiring to A/C pressure sensor
- Faulty A/C pressure sensor
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