Close

GM OBD Trouble Code 68

By Jim Taddei, May 1, 2009

A/C Clutch Relay circuit error (shorted to ground)

The ECM monitors the A/C compressor relay control circuit. If the control circuit is shorted to ground the ECM will set code 68 and the A/C compressor operation will be disabled.

Fault Code Description

  • 68 - A/C Clutch Relay circuit error (shorted to ground)

Symptoms

  • Poor A/C performance

Common Problems

  • Shorted wiring to A/C compressor relay
  • Faulty A/C compressor relay

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...