Bulletin Information

Bulletin Title: #PIP5427B - Diagnostic tips for SES light with DTCs P2635, U0074 and/or U18A2 set - (Mar 6, 2019)
Bulletin Type: Preliminary Information
Applies To: Engine Controls and Fuel

Applicable Vehicles

2018 GMC Truck Yukon XL - 4WD
2018 GMC Truck Yukon XL - 2WD
2018 GMC Truck Yukon - 4WD
2018 GMC Truck Yukon - 2WD
2018 GMC Truck Sierra - 4WD
2018 GMC Truck Sierra - 2WD
2018 Chevrolet Tahoe - 4WD
2018 Chevrolet Tahoe - 2WD
2018 Chevrolet Suburban - 4WD
2018 Chevrolet Suburban - 2WD
2018 Chevrolet Silverado - 4WD
2018 Chevrolet Silverado - 2WD
2018 Cadillac Escalade ESV - 4WD
2018 Cadillac Escalade ESV - 2WD
2018 Cadillac Escalade - 4WD
2018 Cadillac Escalade - 2WD
2017 GMC Truck Yukon XL - 4WD
2017 GMC Truck Yukon XL - 2WD
2017 GMC Truck Yukon - 4WD
2017 GMC Truck Yukon - 2WD
2017 GMC Truck Sierra - 4WD
2017 GMC Truck Sierra - 2WD
2017 Chevrolet Tahoe - 4WD
2017 Chevrolet Tahoe - 2WD
2017 Chevrolet Suburban - 4WD
2017 Chevrolet Suburban - 2WD
2017 Chevrolet Silverado - 4WD
2017 Chevrolet Silverado - 2WD
2017 Cadillac Escalade ESV - 4WD
2017 Cadillac Escalade ESV - 2WD
2017 Cadillac Escalade - 4WD
2017 Cadillac Escalade - 2WD
2016 GMC Truck Yukon XL - 4WD
2016 GMC Truck Yukon XL - 2WD
2016 GMC Truck Yukon - 4WD
2016 GMC Truck Yukon - 2WD
2016 GMC Truck Sierra - 4WD
2016 GMC Truck Sierra - 2WD
2016 Chevrolet Tahoe - 4WD
2016 Chevrolet Tahoe - 2WD
2016 Chevrolet Suburban - 4WD
2016 Chevrolet Suburban - 2WD
2016 Chevrolet Silverado - 4WD
2016 Chevrolet Silverado - 2WD
2016 Cadillac Escalade ESV - 4WD
2016 Cadillac Escalade ESV - 2WD
2016 Cadillac Escalade - 4WD
2016 Cadillac Escalade - 2WD
2015 GMC Truck Yukon XL - 4WD
2015 GMC Truck Yukon XL - 2WD
2015 GMC Truck Yukon - 4WD
2015 GMC Truck Yukon - 2WD
2015 GMC Truck Sierra - 4WD
2015 GMC Truck Sierra - 2WD
2015 Chevrolet Tahoe - 4WD
2015 Chevrolet Tahoe - 2WD
2015 Chevrolet Suburban - 4WD
2015 Chevrolet Suburban - 2WD
2015 Chevrolet Silverado - 4WD
2015 Chevrolet Silverado - 2WD
2015 Cadillac Escalade ESV - 4WD
2015 Cadillac Escalade ESV - 2WD
2015 Cadillac Escalade - 4WD
2015 Cadillac Escalade - 2WD
2014 GMC Truck Sierra 1500 - 4WD
2014 GMC Truck Sierra 1500 - 2WD
2014 Chevrolet Silverado 1500 - 4WD
2014 Chevrolet Silverado 1500 - 2WD

#PIP5427B - Diagnostic tips for SES light with DTCs P2635, U0074 and/or U18A2 set - (Mar 6, 2019)

Subject:
Diagnostic tips for SES light with DTCs P2635, U0074 and/or U18A2 set

Brand:

Model:

Model Year:

VIN:

Engine:

Transmission:

from

to

from

to

Cadillac

Escalade

2015-2018

All

All

6.2L L86

All

Chevrolet

Silverado

2014-2018

All

All

4.3L LV3 5.3L...

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Document Tags

Document Title: #PIP5427B - Diagnostic tips for SES light with DTCs P2635, U0074 and/or U18A2 set - (Mar 6, 2019)

dtcs

model

chevrolet

actual

fuel

pressure

system

substantially

desired

communication

control

module

diagnostics

substantially higher desired

control module fuel

fuel pump control

pump control module

fuel pressure substantially