Service bulletin 17NA396
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 | 10139235 |
| Published by NHTSA | 2018-06-04 |
| Manufacturer's number | 17NA396 |
| Manufacturer's date | 2017-12-11 |
| NHTSA component | HYBRID PROPULSION SYSTEM |
NHTSA's summary
This technical bulletin provides a procedure to diagnose and repair possible valve body issue or software issue.
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
Hybrid and electric drive
| CHEVROLET SILVERADO | 2017 |
|---|---|
| CHEVROLET SILVERADO 2500 | 2016 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 2500 | 2018 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA | 2017 |
| GMC SIERRA 2500 | 2016 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 2500 | 2018 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA DENALI | 2016 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA DENALI | 2018 (the catalog's model; the bulletin names a series or trim of it) |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| N212346580-01 | 2022-03-16. Service bulletin. Customer Satisfaction Program - certain vehicles equipped with the Duramax diesel 6.6 liter engine and the optional engine-block heater cord, may have a condition in which the block heater cable function was disabled. Dealers will replace the engine block heater and cord. |
|---|---|
| PIT5513J | 2019-03-11. Service bulletin. This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction that has ended for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage Battery Interface Control Module 1 and 2, Drive Motor Generator Battery Cooling Blower . |