Service bulletin PIE0646
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 | 10200175 |
| Published by NHTSA | 2021-08-09 |
| Manufacturer's number | PIE0646 |
| Manufacturer's date | 2021-06-21 |
| NHTSA component | EQUIPMENT; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT ADAPTIVE/MOBILITY |
NHTSA's summary
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the trailer light message and/or trailer disconnect message on the infotainment screen.
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
Electrical system, Equipment and accessories, Instrument cluster
| CHEVROLET SILVERADO 1500 | 2021 (the catalog's model; the bulletin names a series or trim of it) |
|---|---|
| CHEVROLET SILVERADO 2500 | 2021 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 1500 | 2021 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 2500 | 2021 (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.
| PIT5195G | 2022-06-13. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle. |
|---|---|
| 21NA247 | 2021-12-27. Service bulletin. This technical bulletin provides a procedure This technical bulletin provides repair information to correct a customer concern of Unable to Set PIN to Enable Teen Driver Feature. |
| PIE0645 | 2021-08-09. Service bulletin. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon Lamp Illuminated on Driver Information Center (DIC), Transmission Not Shifting Properly and/or Slipping, DTC P0796, P2714 Set. |
| PIE0642A | 2021-08-09. Service bulletin. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service Engine Soon (SES) lamp illuminated and/or Service Emission System Message on the Driver Information Center (DIC). |
| 21NA078 | 2021-05-10. Service bulletin. This informational bulletin advises the technician of the changes in the DFM and DFM system for the pickups. |
| PIT5387J | 2021-02-16. Service bulletin. This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue. |
| PIT5387J | 2021-01-25. Service bulletin. This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue. |