# Service bulletin PIT\-5301\-A

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.

- Type: Service bulletin
- NHTSA id: 10078881
- Published by NHTSA: 2016\-08\-25
- Manufacturer's number: PIT\-5301\-A
- Manufacturer's date: 2016\-05\-16
- NHTSA component: ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

## NHTSA's summary

THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT DIAGNOSTIC TROUBLE CODE B127E IN THE HUMAN MACHINE INTERFACE WITH REGULAR PRODUCTION OPTION CODE U42 OR UWG WILL BE CURRENT WHEN PLAYING A DVD OR BLU\-RAY ON THE INTEGRATED CENTER STACK DISPLAY. WHEN THE DISC IS EJECTED THE DIAGNOSTIC TROUBLE CODE WILL BE HISTORY. IF THE DIAGNOSTIC TROUBLE CODE B127E REMAINS CURRENT AFTER EJECTING THE DISC FOLLOW SERVICE INFORMATION DIAGNOSTIC PROCEDURE INSTRUCTIONS FOR B127E WITH REGULAR PRODUCTION OPTION CODE U42 OR UWG.

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Electrical system, Equipment and accessories

## Trouble codes named

B127E

## Vehicles listed

- 2014 to 2016 BUICK LACROSSE
- 2015 to 2016 CADILLAC ESCALADE
- 2015 to 2016 CADILLAC ESCALADE ESV
- 2013 to 2016 CADILLAC SRX
- 2013 to 2016 CADILLAC XTS
- 2015 to 2016 CHEVROLET SILVERADO 1500
- 2015 to 2016 CHEVROLET SUBURBAN
- 2015 to 2016 CHEVROLET TAHOE
- 2015 to 2016 GMC SIERRA 1500
- 2015 to 2016 GMC YUKON
- 2015 to 2016 GMC YUKON XL

## Recalls for the same vehicles and component

- [2024294](/recalls/tc/2024294.md), 2024-05-24: Electrical
- [2019325](/recalls/tc/2019325.md), 2019-06-28: Electrical
- [2016068](/recalls/tc/2016068.md), 2016-02-11: Electrical
- [16V084000](/recalls/nhtsa/16V084000.md), 2016-02-11: ELECTRICAL SYSTEM:SOFTWARE
- [15V640000](/recalls/nhtsa/15V640000.md), 2015-10-09: ELECTRICAL SYSTEM:IGNITION
- [2015458](/recalls/tc/2015458.md), 2015-10-08: Electrical
- [2014230](/recalls/tc/2014230.md), 2014-06-12: Electrical
- [14V317000](/recalls/nhtsa/14V317000.md), 2014-06-12: ELECTRICAL SYSTEM
- [2014216](/recalls/tc/2014216.md), 2014-06-06: Accessories
- [14V301000](/recalls/nhtsa/14V301000.md), 2014-06-06: ELECTRICAL SYSTEM:SOFTWARE; SEAT BELTS:FRONT:WARNING LIGHT/DEVICES

## Other bulletins for the same vehicles and component

- [18\-NA\-180](/bulletins/11024324.md), 2025-10-16, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This Warranty Administration service bulletin provides Lithium\-Ion battery Exchange Process and Transaction Submission information.
- [18\-NA\-180](/bulletins/11023365.md), 2025-09-26, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This Warranty Administration service bulletin provides Lithium\-Ion battery Exchange Process and Transaction Submission information.
- [25\-NA\-087](/bulletins/11017595.md), 2025-05-02, Service bulletin: ELECTRICAL SYSTEM. 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\-001](/bulletins/11017252.md), 2025-04-28, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
- [13\-08\-116\-001K](/bulletins/11017244.md), 2025-04-25, Service bulletin: ELECTRICAL SYSTEM. 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\-098](/bulletins/11017207.md), 2025-04-24, Service bulletin: ELECTRICAL SYSTEM; UNKNOWN OR OTHER. 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\-001F](/bulletins/11017031.md), 2025-04-15, Service bulletin: ELECTRICAL SYSTEM. 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\-043](/bulletins/11014230.md), 2025-02-12, Service bulletin: VISIBILITY/WIPER; SERVICE BRAKES; ENGINE; ELECTRICAL SYSTEM; WHEELS. 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\-180](/bulletins/11013239.md), 2025-01-30, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This Warranty Administration service bulletin provides Lithium\-Ion battery Exchange Process and Transaction Submission information.
- [09\-06\-04\-026Z](/bulletins/11013069.md), 2025-01-23, Service bulletin: ENGINE; POWER TRAIN; ELECTRICAL SYSTEM. This bulletin provides information on identifying Non\-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

JSON: [/v1/bulletins/10078881](/v1/bulletins/10078881)

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