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.
What is the problem when the a c blows cold for a while and then blows hot
Why would my a.c. quit right after it got recharged.saw some smoke or steam emit from under hood and smelled fumes af...