# Service bulletin PIT5659

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: 10156908
- Published by NHTSA: 2019\-04\-08
- Manufacturer's number: PIT5659
- Manufacturer's date: 2019\-03\-05
- NHTSA component: SEATS

## NHTSA's summary

This Preliminary information communicates that a vehicle may be brought to the dealer with a complaint that the driver's side power seat will not move at times. The dealer technician may find a code B3920. The technician is instructed to inspect the seat harness beneath the driver's seat for being pinched between the memory seat module bracket and the seat frame tube. If damage is found to the harness the technician is instructed to repair or replace the harness as needed and reroute it to avoid future damage to the harness.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10156908-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10156908-9999.pdf)

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

## Components

Seats

## Trouble codes named

B3920

## Vehicles listed

- 2019 CHEVROLET BLAZER

## Other bulletins for the same vehicles and component

- [PIT6180](/bulletins/11006317.md), 2024-08-13, Service bulletin: SEATS. This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
- [06\-00\-89\-029V](/bulletins/11000158.md), 2024-05-16, Service bulletin: SEATS; UNKNOWN OR OTHER. This service bulletin includes information on Interior Cleaning \- Instrument Panel \(IP\), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer \- Product Availability.
- [PIT5745](/bulletins/10178303.md), 2020-08-10, Service bulletin: ELECTRICAL SYSTEM; SEATS. This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw.
- [PIT5704](/bulletins/10164771.md), 2019-09-16, Service bulletin: SEATS. This Preliminary information communicates that a customer or dealer may find a spring on the floor of the vehicle. The dealer technician is advised that this is a seat back lift spring. The technician is instructed to reinstall the spring on the outboard side of the 60% seat. A video is attached showing the installation procedure.
- [PIT5659C](/bulletins/10162104.md), 2019-07-08, Service bulletin: SEATS. This Preliminary information communicates that a vehicle may be brought to the dealer with a complaint that the driver's side power seat will not move at times. The dealer technician may find a code B3920. The technician is instructed to inspect the seat harness beneath the driver's seat for being pinched between the memory seat module bracket and the seat frame tube. If damage is found to the harness the technician is instructed to repair or replace the harness as needed and reroute it to avoid future damage to the harness.
- [PIT5659B](/bulletins/10160403.md), 2019-06-03, Service bulletin: SEATS. This Preliminary information communicates that a vehicle may be brought to the dealer with a complaint that the driver's side power seat will not move at times. The dealer technician may find a code B3920. The technician is instructed to inspect the seat harness beneath the driver's seat for being pinched between the memory seat module bracket and the seat frame tube. If damage is found to the harness the technician is instructed to repair or replace the harness as needed and reroute it to avoid future damage to the harness. If the harness is found to be routed correctly the technician is instructed to inspect X500 for being not fully seated and allowing water intrusion into the connector. Technician is instructed to replace terminals as necessary if water damage is found in X500.
- [060850009J](/bulletins/10155012.md), 2019-03-25, Service bulletin: SEATS; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information for information on passenger presence sensing system \(PPS or PSS\) concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices.

JSON: [/v1/bulletins/10156908](/v1/bulletins/10156908)

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