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Service bulletin PI0412A

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 id10133120
Published by NHTSA2018-04-16
Manufacturer's numberPI0412A
Manufacturer's date2013-01-09
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

This preliminary informational bulletin provides information on communication interface module replacement.

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

Vehicles listed
BUICK ENCLAVE2011
BUICK LACROSSE2011
BUICK LUCERNE2011
BUICK REGAL2011
CADILLAC CTS2011
CADILLAC DTS2011
CADILLAC ESCALADE2011
CADILLAC ESCALADE ESV2011 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT2011 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC SRX2011
CHEVROLET AVALANCHE2011
CHEVROLET AVEO2011
CHEVROLET CAMARO2011
CHEVROLET COLORADO2011
CHEVROLET CORVETTE2011
CHEVROLET CRUZE2011
CHEVROLET EQUINOX2011
CHEVROLET EXPRESS2011
CHEVROLET HHR2011
CHEVROLET IMPALA2011
CHEVROLET MALIBU2011
CHEVROLET SILVERADO 15002011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2011
CHEVROLET TAHOE2011
CHEVROLET TRAVERSE2011
GMC ACADIA2011
GMC CANYON2011
GMC SAVANA2011
GMC SIERRA 25002011 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2011 (the catalog's model; the bulletin names a series or trim of it)
GMC TERRAIN2011
GMC YUKON2011
GMC YUKON DENALI2011 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL2011 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2011

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

Recalls for the same vehicles and component
20232102023-04-06. Electrical
23V2470002023-04-06. ELECTRICAL SYSTEM:WIRING
20194632019-09-19. Electrical
20165972016-11-29. Electrical
20163502016-07-07. Electrical
16V5170002016-07-07. SEATS:FRONT ASSEMBLY:POWER ADJUST; ELECTRICAL SYSTEM:WIRING
16V5020002016-07-05. ELECTRICAL SYSTEM:IGNITION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
20150022014-12-30. Electrical
14V8270002014-12-30. ELECTRICAL SYSTEM:IGNITION
20142772014-07-03. Electrical

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
23-NA-0012025-04-28. Service bulletin. This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
21-NA-0432025-02-12. 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.
PIT5962B2024-12-12. Service bulletin. This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
20-NA-1322024-11-09. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
PIP4723J2024-10-25. Service bulletin. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
PIC5650L2024-09-06. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
09-06-04-026Y2024-09-05. Service bulletin. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
General Communication2024-08-26. Service campaign. Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.
PIP5569B2024-08-13. Service bulletin. This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped with a direct fuel injection system. This Preliminary information instructs the dealer of a repair kit they received that will prevent this issue when installed correctly.
PIT5195H2024-08-13. 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.