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93 Chevy C1500 Trouble Codes


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#1 rustyj

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Posted 30 September 2009 - 05:41 PM

I have shorted A to B but am having trouble deciphering how many times it flashes. Can someone please explain this to me in a simpler form. How do I know when to stop counting?

#2 Hawkeye-08

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Posted 30 September 2009 - 07:26 PM

It flashes each code 3 times, starting with code 12 (one flash, pause, then two flashes) that indicate it is communicating. After code 12, trouble codes are next, each flashing 3 times. My 92 Suburban ends with code 12 flashing 3 times to let me know it is the end of codes.

Edited by Hawkeye-08, 30 September 2009 - 07:27 PM.

2011 GMC Sierra 2500HD SLT 4WD CCSB 6.0/6sp 3.73




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