# Service bulletin 18NA012

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: 10139250
- Published by NHTSA: 2018\-06\-04
- Manufacturer's number: 18NA012
- Manufacturer's date: 2018\-01\-16
- NHTSA component: ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID

## NHTSA's summary

This technical bulletin provides a procedure to replace the trans control solenoid assembly if found the cause of the vehicle unable to crank the engine over.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10139250-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10139250-0001.pdf)

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

## Components

Electrical system, Starter

## Vehicles listed

- 2017 CHEVROLET SILVERADO
- 2018 CHEVROLET SILVERADO 2500
- 2017 to 2018 CHEVROLET SUBURBAN
- 2017 to 2018 CHEVROLET TAHOE
- 2018 GMC SIERRA 2500
- 2018 GMC SIERRA DENALI

## Other bulletins for the same vehicles and component

- [17NA402](/bulletins/10139241.md), 2018-06-04, Service bulletin: ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. This technical bulletin provides a procedure to replace relays that may be sticking in cold regions.
- [16\-NA\-346](/bulletins/10137633.md), 2018-05-21, Service bulletin: ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY; ENGINE. This technical bulletin provides repair information to correct a customer concern of no crank / no start.
- [PIP5553](/bulletins/10129856.md), 2018-03-12, Service bulletin: ELECTRICAL SYSTEM:STARTER ASSEMBLY. This Preliminary information communicatesThe vehicle may have an ses lamp with any of the following DTC P06DA, P06DB, P06DC, P06B6, P06B7, P250A, P0300, P0340, P0341, P0335, P0336, P0641, P0011, P0010, P2088, P2089, and/or P2230. Possible crank no start or a stall. possible wiring jumper harness chaffed at the bolt at the X154 connector on lower left side of the frount cover.

JSON: [/v1/bulletins/10139250](/v1/bulletins/10139250)

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