1999 GMC 2.2L with engine code P1631, the security light on the engine won't start

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anonymous · Answer 1 · 2017-04-24T19:41:10+0000

check the battery on the remote if the battery is good your remote might need to be reprogammed or replaced if its bad.

OBDIITech · Answer 2 · 2021-03-31T03:59:22+0000

P1631 CHEVROLET - Theft Deterrent Start Enable Signal Not Correct

Read more: https://www.autocodes.com/p1631_chevrolet.html