Service bulletins for the 2014 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.
1714 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 19NA153 | 2019-08-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. |
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| PI1344C | 2019-08-19. Service bulletin. POWER TRAIN. This preliminary informational bulletin adds the 2016 model year to diagnostic tips and repair information to correct a customer concern of reduced acceleration at low speed and/or transmission slipping from a launch, DTC P0751 set. |
| 990089019R | 2019-08-19. Service bulletin. EQUIPMENT. This informational bulletin provides process information for the (GWM) and (WPC) parts return program. |
| PIT5698 | 2019-08-12. Service bulletin. EQUIPMENT. This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. |
| PIT5569A | 2019-08-12. Service bulletin. WHEELS; VEHICLE SPEED CONTROL. This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC. |
| PIT3099R | 2019-08-12. Service bulletin. EQUIPMENT. This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technicians may also contact Partech and/or the Techline Customer Support Center for additional support. |
| 1308116001E | 2019-07-29. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. |
| 100845001G | 2019-07-29. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish. |
| 090604026Q | 2019-07-29. Service bulletin. ENGINE; EQUIPMENT. This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. |
| 060847001O | 2019-07-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. |
| 060309004M | 2019-07-29. Service bulletin. SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY. This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact. |
| 050604022Q | 2019-07-29. Service bulletin. FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. 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. |
| 000601012J | 2019-07-29. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. |
| 19NA138 | 2019-07-29. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. This technical bulletin provides a procedure to replace high pressure pipes if found the cause of the fuel concerns. |
| 19NA104 | 2019-07-29. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. |
| 18NA103 | 2019-07-29. Service bulletin. FUEL SYSTEM, GASOLINE. This 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. |
| 16NA338 | 2019-07-29. Service bulletin. POWER TRAIN. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns. |
| 16NA222 | 2019-07-29. Service bulletin. EQUIPMENT. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. |
| PIT3665H | 2019-07-08. Service bulletin. SERVICE BRAKES. This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. |
| PIT5202E | 2019-07-08. Service bulletin. POWER TRAIN. This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option Code (M5U) Automatic Transmission, now have Powertrain Grade Braking. Powertrain grade braking assists when driving on a downhill grade to help maintain desired vehicle speed by using the engine and transmission to slow the vehicle. |
| PIT5074L | 2019-07-08. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel. |
| 080730035D | 2019-07-01. Service bulletin. POWER TRAIN. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. |
| 16NA383 | 2019-07-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up. |
| 16NA380 | 2019-07-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. |
| 16NA119 | 2019-07-01. Service bulletin. EQUIPMENT. This warranty administration bulletin provide policy information to cover GM's policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.