2011 GMC Sierra P0606 keep coming

2011 GMC SIERRA
100 MILES • 6.2L • V8 • 4WD • AUTOMATIC
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SAEED.ALMEQ
  • MEMBER
  • 17 POSTS
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
Jun 14, 2014 at 6:07 AM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
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
Jun 14, 2014 at 12:09 PM
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