2011 GMC Sierra P0606 keep coming

Tiny
SAEED.ALMEQ
  • MEMBER
  • 2011 GMC SIERRA
  • 6.2L
  • V8
  • 4WD
  • AUTOMATIC
  • 100 MILES
I have p0606 code + engine reduce power on light throttle from time to time?
I pulled freeze frame data but don't know how to diagnose it
Saturday, June 14th, 2014 AT 6:07 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Clean battery terminal ends and check battery for condition including load test. Autoparts can do this. Make sure pcm has agood ground if that is ok then have a pro diagnose it as it may be a pcm problem
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Saturday, June 14th, 2014 AT 12:09 PM

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