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Service bulletin PI1438

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 id10135389
Published by NHTSA2018-05-07
Manufacturer's numberPI1438
Manufacturer's date2015-03-10
NHTSA componentELECTRICAL SYSTEM; EXTERIOR LIGHTING

NHTSA's summary

This preliminary informational bulletin provides diagnostic tips for a customer concern of Malfunction Indicator Lamp (MIL) intermittently illuminated, and technicians finding DTCs P013B, P013D, P167E, P0171 or P0174 set.

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, Lighting

Trouble codes named

P013B, P013D, P0171, P0174, P167E

Vehicles listed
CHEVROLET SILVERADO 25002013, 2014, 2015 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002013 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002013, 2014, 2015 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2013 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2015 (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
20193252019-06-28. Electrical
15V6400002015-10-09. ELECTRICAL SYSTEM:IGNITION
20154582015-10-08. Electrical
20144322014-10-03. Electrical
14V6140002014-10-01. ELECTRICAL SYSTEM
14V3010002014-06-06. ELECTRICAL SYSTEM:SOFTWARE; SEAT BELTS:FRONT:WARNING LIGHT/DEVICES
14V2650002014-05-20. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

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
07-08-42-006U2025-12-03. Service bulletin. This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
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.
07-08-42-006T2025-04-25. Service bulletin. This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
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.
01-08-42-001Q2025-02-11. Service bulletin. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
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.