06 trailblazer service engine light stays on. Repairman said it needed a software update. true???

Asked by Nov 27, 2013 at 04:30 PM about the 2006 Chevrolet TrailBlazer LT 4WD

Question type: Maintenance & Repair

3 Answers

292,915

Depends on what code he found, did he check the codes? Without knowing the 4 digit code, we can't help further. I never heard a SES light pinpointing to update the software of the PCM. Go to another mechanic and get a second opinion, or better yet, get the codes scanned for free at your local auto parts store and post the code or codes back here.

my car comes up with P0601, please help

109,315

John - possible ECU fault. What make, model, year car?

Your Answer:

TrailBlazer

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