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Service bulletin PIT5624

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)
TypeService bulletin
NHTSA id10143777
Published by NHTSA2018-08-20
Manufacturer's numberPIT5624
Manufacturer's date2018-07-23
NHTSA componentSEATS

NHTSA's summary

This Preliminary information communicates a diagnostic tip for an issues with the heated and/or vented seats turning off and setting DTCU1524 because of a loss of voltage to the Seat Heating Control 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

Vehicles listed
CHEVROLET SILVERADO2017
CHEVROLET SILVERADO 15002014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002018, 2019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 45002019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2015, 2016, 2017, 2018
CHEVROLET TAHOE2015, 2016, 2017, 2018
GMC SIERRA2017
GMC SIERRA 15002014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002018 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2015, 2016, 2017, 2018

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

Recalls for the same vehicles and component
20212122021-04-09. Seats And Restraints
20206242020-12-17. Seats And Restraints
20195752019-11-14. Seats And Restraints
20185352018-09-26. Seats And Restraints
20182332018-05-04. Seats And Restraints
20174452017-09-15. Seats And Restraints
20161532016-04-11. Seats And Restraints
20143152014-07-29. Seats And Restraints
14V4460002014-07-23. SEATS
13V4880002013-10-17. SEATS:FRONT ASSEMBLY:HEAD RESTRAINT

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
PIT61802024-08-13. Service bulletin. This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
06-00-89-029V2024-05-16. 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.
PI1354J2024-02-14. Service bulletin. This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair.
14340B2024-01-16. Service bulletin. Incomplete Weld on the Seat Hook Bracket Assembly
143402024-01-16. Service bulletin. Incomplete Weld on the Seat Hook Bracket Assembly
PI3541J2024-01-04. Service bulletin. This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair.
13323A2023-12-11. Service bulletin. F/CMVSS NONCOMPLIANCE RECALL - Manual Seatback Recliner Lever
PIT5284A2023-12-04. Service bulletin. Rattle Noise From Second Row Seat.
PIT52842023-12-04. Service bulletin. Rattle Noise From Second Row Seat.
PIT52232023-12-04. Service bulletin. Front Driver Or Passenger Seat Cover / Cushion Loose.