# Service bulletin 19NA138

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.

- Type: Service bulletin
- NHTSA id: 10163254
- Published by NHTSA: 2019\-07\-29
- Manufacturer's number: 19NA138
- Manufacturer's date: 2019\-06\-21
- NHTSA component: EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE

## NHTSA's summary

This technical bulletin provides a procedure to replace high pressure pipes if found the cause of the fuel concerns.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10163254-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10163254-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Equipment and accessories, Transmission and driveline, Automatic transmission

## Vehicles listed

- 2010 to 2015 CHEVROLET EXPRESS
- 2010 to 2015 CHEVROLET SILVERADO 1500
- 2014 CHEVROLET SILVERADO 2500
- 2014 CHEVROLET SILVERADO 3500
- 2010 to 2015 GMC SAVANA
- 2010 to 2015 GMC SIERRA 1500
- 2014 GMC SIERRA 2500
- 2014 GMC SIERRA 3500
- 2011 to 2013 GMC SIERRA DENALI
- 2015 GMC SIERRA DENALI

## Recalls for the same vehicles and component

- [14V152000](/recalls/nhtsa/14V152000.md), 2014-03-31: POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES
- [13V001000](/recalls/nhtsa/13V001000.md), 2013-01-02: POWER TRAIN:AUTOMATIC TRANSMISSION; STEERING:COLUMN LOCKING:ANTI\-THEFT DEVICE

## Other bulletins for the same vehicles and component

- [PI0690B](/bulletins/10253608.md), 2024-04-29, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. MIL Illuminated.
- [PI0690A](/bulletins/10253607.md), 2024-04-29, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. MIL Illuminated.
- [14204](/bulletins/10248739.md), 2024-01-16, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. Inner Tie Rod Torque
- [14876](/bulletins/10247240.md), 2023-12-18, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT. 8\-speed Transmission Harsh Shift
- [14730](/bulletins/10247232.md), 2023-12-18, Service bulletin: UNKNOWN OR OTHER; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE. Torque Converter Clutch Wear
- [12138](/bulletins/10245831.md), 2023-12-04, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. Transmission Dipstick Tube Fracture
- [17\-NA\-066](/bulletins/10239647.md), 2023-07-25, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
- [16\-NA\-130](/bulletins/10232711.md), 2023-03-08, Service bulletin: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY. This service bulletin provides information for after installation of a replacement upper valve body, the transmission may have no Reverse and no 2nd gear.
- [PIP5621C](/bulletins/10224285.md), 2022-10-17, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN. This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
- [15\-NA\-083](/bulletins/10201118.md), 2021-09-07, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Recovery Process from a Controller Reprogramming Interruption

JSON: [/v1/bulletins/10163254](/v1/bulletins/10163254)

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