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Service bulletin PI1235

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 id10137905
Published by NHTSA2018-05-21
Manufacturer's numberPI1235
Manufacturer's date2014-05-13
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

This preliminary bulletin provides information to the technician, to check for loose grounds and the correct labor op to use

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 ENCLAVE2012, 2013, 2014
BUICK ENCORE2013, 2014
BUICK LACROSSE2012, 2013, 2014
BUICK LUCERNE2012
BUICK REGAL2012, 2013, 2014
BUICK VERANO2012, 2013, 2014
CADILLAC ATS2013, 2014
CADILLAC CTS2012, 2013, 2014
CADILLAC ELR2014
CADILLAC ESCALADE2012, 2013, 2014
CADILLAC ESCALADE ESV2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC SRX2012, 2013, 2014
CADILLAC STS2012
CADILLAC XTS2013, 2014
CHEVROLET AVALANCHE2012, 2013
CHEVROLET CAMARO2012, 2013, 2014
CHEVROLET CAPTIVA2012 to 2014
CHEVROLET CHEVEROLET SS2014
CHEVROLET COLORADO2012
CHEVROLET CORVETTE2012, 2013, 2014
CHEVROLET CRUZE2012, 2013, 2014
CHEVROLET EQUINOX2012, 2013, 2014
CHEVROLET EXPRESS2012, 2013, 2014
CHEVROLET IMPALA2012, 2013, 2014
CHEVROLET MALIBU2012, 2013, 2014
CHEVROLET SILVERADO 15002012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SONIC2012, 2013, 2014
CHEVROLET SPARK2013, 2014
CHEVROLET SPARK EV2014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2012, 2013, 2014
CHEVROLET TAHOE2012, 2013, 2014
CHEVROLET TRAVERSE2012, 2013, 2014
CHEVROLET VOLT2012, 2013, 2014
GMC ACADIA2012, 2013, 2014
GMC CANYON2012
GMC SAVANA2012, 2013, 2014
GMC SIERRA 15002012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC TERRAIN2012, 2013, 2014
GMC YUKON2012, 2013, 2014
GMC YUKON DENALI2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
20242942024-05-24. Electrical
20232102023-04-06. Electrical
23V2470002023-04-06. ELECTRICAL SYSTEM:WIRING
20194632019-09-19. Electrical
20193252019-06-28. Electrical
20184812018-09-07. Electrical
20182342018-05-04. Electrical
20165972016-11-29. Electrical
16V5020002016-07-05. ELECTRICAL SYSTEM:IGNITION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
15V6400002015-10-09. ELECTRICAL SYSTEM:IGNITION

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
18-NA-1802025-10-16. Service bulletin. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
18-NA-1802025-09-26. Service bulletin. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
25-NA-0872025-05-02. Service bulletin. This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
23-NA-0012025-04-28. Service bulletin. This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
13-08-116-001K2025-04-25. Service bulletin. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
24-NA-0982025-04-24. Service bulletin. This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
15-06-03-001F2025-04-15. Service bulletin. This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
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.
18-NA-1802025-01-30. Service bulletin. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
09-06-04-026Z2025-01-23. Service bulletin. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.