CCM Code issues

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Apr 11, 2011 | 08:11 PM

pmcclung

Thread Starter

Cruising

Joined: Aug 2009

Posts: 11

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CCM Code issues

I have a 1991 that the SYS light is flashing. I have troubleshot it using the paper clip to the "A"-"G" pins and am getting Module 1 CCM codes H72 and H74. Can anyone tell me what these codes are and sugested fixes.

Thanks

Apr 12, 2011 | 04:37 AM

rodj

Le Mans Master

Joined: Aug 2000

Posts: 8,838

Likes: 31

From: Australia

Quote:

Originally Posted by pmcclung

am getting Module 1 CCM codes H72 and H74.
what these codes are .

Installed a non stock stereo?
Download and save this for future reference

http://www.corvette-guru.com/uploads...CMCodePull.pdf

Quote:

Originally Posted by pmcclung

Can anyone tell me sugested fixes.

http://www.corvetteforum.net/c4/dave8476/index4.shtml

Apr 12, 2011 | 07:18 AM