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Service bulletins for the 2018 Chevrolet Express

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.

1000 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
04-00-89-015O2018-05-21. Service bulletin. EQUIPMENT. This warranty administration bulletin provide policy information on required operating procedures.
03-00-89-006N2018-05-21. Service bulletin. EQUIPMENT. This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
00-06-01-012G2018-05-21. Service bulletin. ENGINE. This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on engine surfaces.
00-03-10-002K2018-05-21. Service bulletin. WHEELS. This informational bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.
18NA1412018-05-21. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin provides information on Audio Volume Stuck High or Low with No DTCs and that this is a normal characteristic.
18NA1382018-05-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern.
18NA1252018-05-21. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information for engine oil life monitor operation calculation.
PI0754C2018-05-21. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. This PI bulletin provides information on Rear and Side Tempered Glass Spots (Quench Marks) and they are normal characteristic.
PI0564J2018-05-21. Service bulletin. STRUCTURE. This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
PI0281G2018-05-21. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
150603002M2018-05-21. Service bulletin. EQUIPMENT. This bulletin provides information on approved warranty part numbers for original equipment batteries.
150603002L2018-05-21. Service bulletin. EQUIPMENT. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
130089010B2018-05-21. Service bulletin. EQUIPMENT. This informational bulletin provides information to dealership personnel on policies regarding a Product Assistance Claim (PAC) within the Courtesy Transportation Assistance Program.
1208132001E2018-05-21. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin explains to the dealer how to cover a possible customers mistake when a fuse has been blown.
080730035C2018-05-21. Service bulletin. POWER TRAIN. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
18NA1032018-05-21. Service bulletin. FUEL SYSTEM, GASOLINE. This Technical Bulletin provides information to correct a customer concern of a siren or whine noise from the in-tank fuel pump at temperatures below -6C or 20F, accompanied by start and stall, no start, loss of power and MIL illuminated. Technicians may find DTCs P0087, P018B, P228A, P228B or P2635 set in ECM.
18NA0992018-05-21. Service bulletin. EQUIPMENT. This informational bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim.
PIT5315D2018-05-21. Service bulletin. EQUIPMENT. This Preliminary Information communication provides information to the technician about the retained accessory power on vehicles with Radio Provisions Only Regular Production Option Code (UXZ). If the vehicle is equipped with radio provisions but was not built with a radio, the retained accessory power feature will not be present.
PIT5058D2018-05-21. Service bulletin. SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This Preliminary Information communication provides information to the technician about the operation and diagnostics of the Regular Production Option Code UJ1 brake warning pressure warning system. The technician can test the operation of the brake warning system. If the warning system does not function correctly, technician will need to inspect circuit 33 for a short to ground between X141 and the Instrument Panel Cluster terminal 14. Then inspect check circuit 33 for an open between X141 and the Instrument Panel Cluster terminal 14. Also technician should check male side of X141 circuit 33 with an ohm meter to ground and should be close to 0 ohms with engine off and key on. Start engine and circuit should go (OL) indicating that the flow switch opened. Then, turn the steering to the stop in pressure relief and verify that the circuit stays (OL) to check the operation of the pressure switch.
PIE0445A2018-05-21. Service bulletin. STRUCTURE:BODY:DOOR; VISIBILITY:GLASS, SIDE/REAR. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Drivers Door Window Glass Out of Channel and/or Inoperative.
110849001W2018-05-21. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off.
110089002C2018-05-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin was created to inform that any accessories that are installed from the GM factory will be covered under the standard vehicle warranty and dealer installed accessories will be covered for a full year (12 months).
060089031E2018-05-21. Service bulletin. ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION. This informational bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
030089006P2018-05-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
010310003Q2018-05-21. Service bulletin. TIRES. This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty Coverage). For vehicles within this warranty period, defective tires will be replaced on a pro rata adjustment basis according to the published distance-based schedule.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.