2011 GMC Sierra P0606 keep coming

2011 GMC SIERRA
100 MILES • 6.2L • V8 • 4WD • AUTOMATIC
Avatar
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
Advertisement
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
Avatar
HMAC300
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 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
Jun 14, 2014 at 12:09 PM