# Service bulletin PIP5965

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: 10251727
- Published by NHTSA: 2024\-03\-18
- Manufacturer's number: PIP5965
- Manufacturer's date: 2024\-02\-29
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

This Preliminary information communicates to technicians that a calibration to correct a P138C is forthcoming and to not attempt repairs.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-10251727-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-10251727-9999.pdf)

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

## Components

Electrical system, Software

## Trouble codes named

P138C

## Vehicles listed

- 2023 to 2024 CADILLAC ESCALADE
- 2023 to 2024 CHEVROLET SUBURBAN
- 2023 to 2024 CHEVROLET TAHOE
- 2023 GMC YUKON
- 2023 to 2024 GMC YUKON XL

## 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.
- [23\-NA\-143](/bulletins/10244209.md), 2023-10-18, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y169– Multiple Updates for IOK.
- [23\-NA\-118](/bulletins/10244207.md), 2023-10-18, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y168 – Multiple Updates for IOK.
- [N23\-241156](/bulletins/10241223.md), 2023-08-25, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. '\(There may be future updates under this same release number.\) Your vehicle keeps getting better. This vehicle software update includes the following: Refinements • Updates made to the overall vehicle software update process. Better Never Stops™
- [PIT5762F](/bulletins/10231623.md), 2023-02-13, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. This Preliminary information communicates an issues with false codes setting in vehicles due to timing issues between the modules.
- [PIT5832D](/bulletins/10227671.md), 2022-12-12, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
- [PIT5832C](/bulletins/10224307.md), 2022-10-17, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE; COMMUNICATIONS:BACK UP ALARM. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.

JSON: [/v1/bulletins/10251727](/v1/bulletins/10251727)

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