99RegalGS Posted November 2, 2004 Report Posted November 2, 2004 Today I checked the SES codes on my friend's TGP. I got 13 (o2) and 31 (?). I looked in my cutlass service manual and on the webpage here and didn't have code 31. Do any of you guys know what it is? Thanks Quote
Robby1870 Posted November 2, 2004 Report Posted November 2, 2004 Code 31: Turbo Overboost ---> Wastegate system malfunction Quote
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