I upgraded from 09379910 to 12212156 and now the battery light flashes and i get a dtc P1638? I checked the system settings and both F and L are enabled. Any help would be appreciated?
battery light flashing after o/s upgrade
I upgraded from 09379910 to 12212156 and now the battery light flashes and i get a dtc P1638? I checked the system settings and both F and L are enabled. Any help would be appreciated?
01 GMC Sierra 1500 SLE 5.3 cam swap
Tuned by ME (COS 5 - running strong and smooth)
nevermind I found it!
http://www.ls1truck.com/forums/pcm-t...ery-light.html
01 GMC Sierra 1500 SLE 5.3 cam swap
Tuned by ME (COS 5 - running strong and smooth)
What are your settings for those in G1207...?
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