silverado u0109

2008 CHEVROLET SILVERADO
190,000 MILES • 5.3L • V8 • 4WD • AUTOMATIC
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HANDY69
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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 2:13 PM
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WRENCHTECH
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Yes, it could

DTC U0109 00: Lost Communication With Fuel Pump Control Module
Jan 25, 2016 at 6:14 PM
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HANDY69
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Sounds like a plan I will replace it and give u update thank u
Jan 26, 2016 at 5:27 AM
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WRENCHTECH
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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 5:30 AM
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HANDY69
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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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Jan 28, 2016 at 11:45 AM
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WRENCHTECH
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Maybe chewed up by a rodent. Glad to hear you found it.
Jan 28, 2016 at 6:00 PM
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