silverado u0109

2008 CHEVROLET SILVERADO
190,000 MILES • 5.3L • V8 • 4WD • AUTOMATIC
Avatar
HANDY69
  • MEMBER
  • 12 POSTS
Hi I really need some help on this one I'm working on a 08 silverado 5.3 vin#m would a bad pump trow this code reason I ask is cuss it's pump not turning on and 12v direct to pink and gray wire to pump not turning it on could I have bad pump? Many thanks in advance
Jan 25, 2016 at 10:13 PM
Advertisement
Avatar
WRENCHTECH
  • CERTIFIED EXPERT
  • 20,761 POSTS
Yes, it could

DTC U0109 00: Lost Communication With Fuel Pump Control Module
Jan 26, 2016 at 2:14 AM
Avatar
HANDY69
  • MEMBER
  • 12 POSTS
Sounds like a plan I will replace it and give u update thank u
Jan 26, 2016 at 1:27 PM
Advertisement
Avatar
WRENCHTECH
  • CERTIFIED EXPERT
  • 20,761 POSTS
I suggest you call the dealer first. There is a recall on that.

# 14515B: Product Safety - Chassis Electronic Control Module Internal Contamination - (Feb 2, 2015)

Subject: 14515B - Chassis Electronic Control Module Internal Contamination
Jan 26, 2016 at 1:30 PM
Avatar
HANDY69
  • MEMBER
  • 12 POSTS
It was bad red white stripe wire that powers the module I would get 12v at module but I guess it was to week to power it was bad right by the frame under Cabinet thanks for all help not sure how it happened i attached some pics
Images (Click to enlarge)
Attached Media
Attached Media
Jan 28, 2016 at 7:45 PM
Avatar
WRENCHTECH
  • CERTIFIED EXPERT
  • 20,761 POSTS
Maybe chewed up by a rodent. Glad to hear you found it.
Jan 29, 2016 at 2:00 AM