Service bulletin PIC5944B

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10114931
Published by NHTSA	2017-08-15
Manufacturer's number	PIC5944B
Manufacturer's date	2015-10-28
NHTSA component	SEATS:FRONT ASSEMBLY:POWER ADJUST

NHTSA's summary

This Preliminary Information communication advises the technician not to replace any parts for Diagnostic Trouble Code B285A Symptom 4B set as History in the Memory Seat Module. This Diagnostic Trouble Code will be considered a phantom code and this will also considered a normal characteristic for the Memory Seat Module.

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

Seats

Trouble codes named

B285A

Vehicles listed
CHEVROLET CORVETTE	2014
CHEVROLET IMPALA	2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
06-00-89-029V	2024-05-16. Service bulletin. 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.
15521	2023-12-18. Service bulletin. In situations where your vehicle side doors will not open from INSIDE the vehicle due to low or no battery voltage, such as a discharged or disconnected battery, or if the vehicle is entered without the key fob or the fob is not working, the driver and passenger side doors can be opened from the inside of the vehicle by using the manual release levers located on the floor between the seats and the door openings.
13141	2023-12-11. Service bulletin. Service Update for Inventory and Customer Vehicles Incorrect Rear Seat Head Restraints Installed Expires with Base Warranty -Wquipped with Rear Seat Folding Head Restraints (AYR)
PI1144	2021-04-28. Service bulletin. Driver Front Seat Outer Side Trim Cover Coming Loose Some customers may comment that the driver seat outboard side trim panel is loose and pulling away from the seat cushion material at the top. The cause of this condition may be that the hook/lock tab retaining feature (1) on the seat trim may be damaged and not holding to the seat frame.
PI1144	2021-04-28. Service bulletin. Driver Front Seat Outer Side Trim Cover Coming Loose Some customers may comment that the driver seat outboard side trim panel is loose and pulling away from the seat cushion material at the top. The cause of this condition may be that the hook/lock tab retaining feature (1) on the seat trim may be damaged and not holding to the seat frame.
18NA336	2019-03-25. Service bulletin. This technical bulletin provides a procedure for replacing the emblem on the seat cover as opposed to replacing the whole seat cover itself.
060850009J	2019-03-25. Service bulletin. 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.
PIC5960E	2018-08-20. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have the base power seat, Memory Recall, and Easy Exit Recall functions may seem erratic or seem to operate intermittently. Technician should become familiar with the following areas of the power/ memory seat system will aid in assisting customers with its functionality, limit switches, unsupervised / supervised movements, auto memory recall (if equipped), Easy Exit Recall (if equipped), and the difference between the manual transmission and automatic transmission.
12-09-41-002B	2018-06-11. Service bulletin. The informational bulletin explains how items on the passenger seat may cause the PPS to chime or the passenger airbag light turns on if electronic devices or conductive objects are placed on the seat.
PI1103C	2018-06-11. Service bulletin. This preliminary informational bulletin provides a procedure for the technician to test the power seats, the outside power mirriors, shorts in the wiring and the MSM, and reprogram the module if shorts weren't found, for the customers concern of the mirriors and/or seat inoperative.