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Service bulletin PI1188

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10137852
Published by NHTSA2018-05-21
Manufacturer's numberPI1188
Manufacturer's date2014-03-05
NHTSA componentFUEL SYSTEM, GASOLINE; EQUIPMENT

NHTSA's summary

This preliminary bulletin provides procedure to correct contact between the fuel temperature sensor connector and the fuel return line for clearance.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories, Fuel system

Vehicles listed
CHEVROLET SILVERADO 15002012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
18V2670002018-04-26. EQUIPMENT
20175112017-10-20. Fuel System
17V6640002017-10-19. FUEL SYSTEM, GASOLINE:STORAGE:AUXILLARY TANK
13V5440002015-10-30. EQUIPMENT:OTHER:LABELS
14V3450002014-06-18. EQUIPMENT; VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
20142162014-06-06. Accessories
20134382013-12-13. Fuel System
13V6150002013-12-11. FUEL SYSTEM, DIESEL

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
05-06-04-022V2024-09-05. Service bulletin. This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
20-NA-0382024-08-15. Service bulletin. This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.
16-NA-3832024-07-16. Service bulletin. This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
04-06-04-051I2024-07-16. Service bulletin. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
PI0488C2024-05-06. Service bulletin. Diagnostic Information for Transmission.
PI0718B2024-04-29. Service bulletin. Audio System Speaker Rattle, Buzz Noise, Poor Sound
PI0689B2024-04-29. Service bulletin. Tool or Utility Box Sagging, Mis-aligned.
PI0688F2024-04-29. Service bulletin. Poor Voice Quality During Bluetooth Call or OnStar® Personal Call.
PI0688E2024-04-29. Service bulletin. Poor Voice Quality During Bluetooth Call or OnStar® Personal Call.
PI0688D2024-04-29. Service bulletin. Poor Voice Quality During Bluetooth Call or OnStar® Personal Call.