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- Tue Jun 08, 2010 7:16 pm
- Forum: Trinity GM Gas
- Topic: pcm: error unlock for reflash (-1)
- Replies: 1
- Views: 2359
pcm: error unlock for reflash (-1)
i was driving and hit monitor by mistake and now my truck shifts really hard and it wont restore the factory settings to reprogram the truck it keeps giving me the error posted on my subject. i have an 09 gmc with a 5.3