Close

GM OBD Trouble Code 67

By Jim Taddei, May 1, 2009

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

No comments yet...

Sign in to comment

Related Questions

See what others have asked about this, or visit the Questions page to ask your own question.
a c
What is the problem when the a c blows cold for a while and then blows hot
A. C.
Why would my a.c. quit right after it got recharged.saw some smoke or steam emit from under hood and smelled fumes af...