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Service bulletin 18157

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 id10143734
Published by NHTSA2018-08-20
Manufacturer's number18157
Manufacturer's date2018-06-05
NHTSA componentFUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; FUEL SYSTEM, DIESEL

NHTSA's summary

18157 - Customer Satisfaction Program. Certain Low Cab Forward vehicles, equipped with diesel engines, may have a condition in which the Fuel Tank Sub Unit float arm in the rear-mounted fuel tank may become disconnected causing the fuel gauge to display ?Empty? (E) regardless of the actual fuel level. Dealers are to replace the Fuel Tank Sender Unit.

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

Fuel system, Fuel tank

Vehicles listed
CHEVROLET 35002018
CHEVROLET LOW CAB FORWARD 45002017
CHEVROLET LOW CAB FORWARD 55002017
CHEVROLET SILVERADO 35002017 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 45002019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET duplicate SILVERADO 55002019

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

Recalls for the same vehicles and component
23V0470002023-02-02. FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
19V0880002019-02-07. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

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
17-NA-3022024-03-28. Service bulletin. This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area.
23-NA-1482023-11-07. Service bulletin. This technical bulletin provides a procedure to correct the condition of Missing French Translation Label on Fuel Cap.
19NA2772020-03-02. Service bulletin. This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties.
N1922750902019-12-30. Service bulletin. N192275090 - Service Update - Certain 2019 model year Chevrolet Silverado Medium Duty 4500/5500/6500 vehicles may have a condition where after the fuel filler tube is tied back to the frame for shipment there may be sufficient tension placed on connections that if the clamps are not fully tightened a leak could be created between the connection to the fuel tank(s) and the fuel filler tube. Dealers will inspect, and if necessary, tighten the clamps between the fuel filler tube and the fuel tank(s).
19NA0052019-08-26. Service bulletin. This technical bulletin provides a procedure to replace the fill pipe if found the cause of the noises at highway speeds.
PIP5427B2019-04-08. Service bulletin. This Preliminary Information communication provides information to the technician about vehicle that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P2635, U0074 and or U18A2. Technician will need to follow published diagnostics for Diagnostic Trouble Codes U0074 would take priority over U18A2 if both set before addressing DTC P2635.
17NA4022018-06-04. Service bulletin. This technical bulletin provides a procedure to replace relays that may be sticking in cold regions.
PIP5427A2018-05-21. Service bulletin. This Preliminary Information communication provides information to the technician about vehicle that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P2635, U0074 and or U18A2. Technician will need to follow published diagnostics for Diagnostic Trouble Codes U0074 would take priority over U18A2 if both set before addressing DTC P2635.
17NA3022018-05-21. Service bulletin. This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area.
PIT5481C2018-02-21. Service bulletin. This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist.Starting with2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that has clearly identified markings. The electric power steering provides a gentle steering correction if a lane marking has been crossed and the driver has not actively responded.