# Service bulletin PIT5521A

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: 10157029
- Published by NHTSA: 2019\-04\-08
- Manufacturer's number: PIT5521A
- Manufacturer's date: 2017\-09\-25
- NHTSA component: ENGINE; ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY

## NHTSA's summary

This preliminary information communicates a Diagnostic Tip for a Service Trailer Brake Message with DTC C111B C1112 C1113 C1114 advising to address any battery issues first before any in depth diagnostics are done.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10157029-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10157029-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Engine, 12\-volt battery

## Trouble codes named

C1112, C1113, C1114, C111B

## Vehicles listed

- 2017 CHEVROLET SILVERADO
- 2014 CHEVROLET SILVERADO 1500
- 2015 to 2016 CHEVROLET SILVERADO 2500
- 2018 CHEVROLET SILVERADO 2500
- 2015 to 2018 CHEVROLET SUBURBAN
- 2015 to 2018 CHEVROLET TAHOE
- 2017 GMC SIERRA
- 2014 to 2016 GMC SIERRA 1500
- 2018 GMC SIERRA 3500
- 2015 to 2018 GMC YUKON

## Other bulletins for the same vehicles and component

- [20\-NA\-132](/bulletins/10252774.md), 2024-04-05, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
- [PIT5074H](/bulletins/10247061.md), 2023-12-11, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. J\-35616\-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
- [PIT5074G](/bulletins/10247060.md), 2023-12-11, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Terminal Test Probe And Replacement Terminal.
- [1408117001a](/bulletins/10246506.md), 2023-12-11, Service bulletin: ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES; UNKNOWN OR OTHER. Unable to Clear BCM DTCs After Completing Repair
- [20NA132](/bulletins/10205059.md), 2021-12-20, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
- [21NA158](/bulletins/10200150.md), 2021-08-09, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This service bulletin provides information on High Voltage Battery Module Replacement.
- [150603002H](/bulletins/10190339.md), 2021-04-16, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage \(CCA\) ratings and type are critical for proper test results when using the EL\-50313. Access to the battery specification label, which contains the OEM part number and CCA rating and type, may be difficult without component removal. Refer to the table below for the original equipment ratings and part numbers used to set up a proper battery test. There has been some confusion as to the correct ACDelco battery warranty replacement. Refer to the table below for the correct battery warranty replacement. The correct ACDelco battery warranty replacement in the catalog is designated by the "Original Equipment Replacement" note in the description field.
- [17\-NA\-327](/bulletins/10190313.md), 2021-04-15, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Information for Dead Battery Condition Some customers may comment on the following conditions: • Dead battery • Dead battery after car sits a couple days Cause This condition may be caused by the OnStar® module staying awake, drawing power from the battery. Correction Note: If the vehicle is towed to the dealer with a dead battery, it is highly unlikely that a battery draw will be verified once the battery is charged. Verify that the vehicle VIN is flagged in the Global Warranty Management / Investigate History \(GWM/IVH\). If the VIN is flagged, do a Blue Button Press from the vehicle and request a "Re\-configuration" and operational evaluation.
- [18NA161](/bulletins/10168185.md), 2019-11-25, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground at g218, Inspecting for a short at the starter B\+ to shield and testing for a faulty battery.
- [030603004Y](/bulletins/10160132.md), 2019-05-20, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.

JSON: [/v1/bulletins/10157029](/v1/bulletins/10157029)

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