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Service bulletin PIC6378B

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 id10210316
Published by NHTSA2022-04-18
Manufacturer's numberPIC6378B
Manufacturer's date2022-03-03
NHTSA componentSTRUCTURE; EQUIPMENT

NHTSA's summary

This Preliminary Information communicates helpful information on diagnosing general customer concerns related to a power folding top.

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

Body and frame, Equipment and accessories

Vehicles listed
BUICK CASCADA2016, 2017, 2018, 2019
CADILLAC XLR2004, 2005, 2006, 2007, 2008, 2009
CHEVROLET CAMARO2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET CORVETTE2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
PONTIAC G62006, 2007, 2008, 2009, 2010

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

Recalls for the same vehicles and component
20203842020-08-18. Structure
20V4890002020-08-18. ELECTRICAL SYSTEM:SOFTWARE; STRUCTURE:BODY:TRUNK LID
11V4910002011-10-03. STRUCTURE:BODY:HATCHBACK/LIFTGATE:HINGE AND ATTACHMENTS
09V4910002009-12-23. STRUCTURE:BODY:ROOF AND PILLARS
06V1810002006-05-24. STRUCTURE:BODY:ROOF AND PILLARS

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
05-08-51-001L2025-03-08. Service bulletin. This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
PIC65962025-03-02. Service bulletin. This Preliminary information communicates to the technician 3 ways to access the trunk when the electrical release latch is inoperative.
24-NA-0262025-02-17. Service bulletin. This service bulletin provides a procedure to correct a customer concern of Convertible Top Leak Around Side Glass in High Pressure Car Wash.
22-NA-2442025-02-12. Service bulletin. This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
10-08-110-001L2025-02-11. Service bulletin. This service bulletin provides information on proper use of floor mats.
PIC6163D2025-02-10. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have several fasteners, located on either side of the hood latch, appear to be loose. Do not tighten, or otherwise move these two fasteners. These fasteners are part of the front fascia support bracket. They have a preset gap by design, and they have Loctite applied to the threads of the fastener so that this preset gap does not change.
24-NA-2392025-01-30. Service bulletin. This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
21-NA-2902024-12-16. Service bulletin. This service bulletin provides a procedure to correct a customer concern of a Wrinkle or Bubble in Stripe or Hood Wrap forming Around Outer Edges of Hood Air Scoop.
21-NA-0432024-12-10. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
PIC6470A2024-12-05. Service bulletin. This Preliminary Information communicates a way to assist dealership technicians in diagnosing a Top Not Secure message on the DIC.