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Trans DTC's - yes or no? [Archive] - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum
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87octane
12-04-2006, 06:23 PM
2006 TBSS 4L70E
Can HPT 2.1.14 display transmission codes for our tranny?
Has anyone actually seen any trans DTC's using HPT?

HPT didn't know the answer........
MyGoatBites
12-04-2006, 10:54 PM
I have yet to get a trans code from my truck and at anything other than 10% throttle or less it won't make the 1-2 shift. I don't know that it will display the codes. I would go to the trans diagnostics tab and take a look. Also on the engine duagnostics tab there is a a DTC tab, check and see if there are DTC's enabled for it.