Silverado U0109

HANDY69

MEMBER
2008 CHEVROLET SILVERADO
5.3L
V8
4WD
AUTOMATIC
190,000 MILES

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

Monday, January 25th, 2016 AT 10:13 PM

5 Replies

WRENCHTECH

MECHANIC
20,761 POSTS

Yes, it could

DTC U0109 00: Lost Communication With Fuel Pump Control Module

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Tuesday, January 26th, 2016 AT 2:14 AM

HANDY69

MEMBER
12 POSTS

Sounds like a plan I will replace it and give u update thank u

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Tuesday, January 26th, 2016 AT 1:27 PM

WRENCHTECH

MECHANIC
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

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Tuesday, January 26th, 2016 AT 1:30 PM

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

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