i have a blazer that will not shift on its own, you have to shift each gear. Any ideas?

Asked by mickeyd2 Feb 03, 2014 at 11:17 AM about the 2000 Chevrolet Blazer

Question type: Maintenance & Repair

2000 chevy blazer, the automatic transmission will not shift on its own you have to shift it
manually. Anyone have any ideas what the problem might be?

1 Answer
60,415

Andrew answered 10 years ago

might be the TPS. If your speedo is working then its not the VSS. Other than that it may be a bad PCM

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