# Service bulletin 18NA039

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: 10137323
- Published by NHTSA: 2018\-05\-21
- Manufacturer's number: 18NA039
- Manufacturer's date: 2018\-02\-07
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM

## NHTSA's summary

This technical bulletin provides a procedure to reprogram the memory set module to correct a condition of Personalization Selections Intermittently Missing from Comfort and Convenience Menu due to a calibration concern.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10137323-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10137323-0001.pdf)

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

## Components

Electrical system, Software

## Vehicles listed

- 2017 to 2018 BUICK ENVISION
- 2017 CADILLAC ATS
- 2017 to 2018 CADILLAC CT6 PLUG\-IN HYBRID
- 2017 CADILLAC CTS
- 2017 to 2018 CADILLAC ESCALADE
- 2017 to 2018 CADILLAC ESCALADE ESV
- 2017 to 2018 CHEVROLET IMPALA
- 2017 CHEVROLET SILVERADO
- 2018 CHEVROLET SILVERADO 2500
- 2017 to 2018 CHEVROLET SUBURBAN
- 2017 to 2018 CHEVROLET TAHOE
- 2017 GMC SIERRA
- 2018 GMC SIERRA 2500
- 2018 GMC SIERRA DENALI
- 2017 to 2018 GMC YUKON
- 2017 to 2018 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.
- [PIP5632G](/bulletins/10230683.md), 2023-01-30, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
- [PIP4902Q](/bulletins/10230682.md), 2023-01-30, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
- [17419](/bulletins/10191076.md), 2021-04-30, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Condition Certain 2018 model year Chevrolet Silverado HD and GMC Sierra HD vehicles, equipped with 6.6L diesel engine \(RPO L5P\) and Allison transmission \(RPO MW7\), may have a condition in which the automatic transmission has rough upshifts. Correction Reprogram the transmission control module \(TCM\).
- [17206\-2](/bulletins/10191035.md), 2021-04-29, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Certain 2017 model year Cadillac CTS and CTS\-V vehicles need to be reprogrammed with an updated software package. This new software package will provide changes to the radio to help the climate control system and certain audio features, including Wi\-Fi password recognition, continue to function properly. Also, if equipped with the Forward Collision Alert \(FCA\) system, this update will provide enhanced menu options.
- [21NA010](/bulletins/10187773.md), 2021-03-01, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); ELECTRICAL SYSTEM:SOFTWARE. This technical bulletin provides a procedure to reset the DTCs and take the vehicle for a test drive to verify the codes do not return.
- [16NA019](/bulletins/10186058.md), 2021-02-01, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
- [20NA181](/bulletins/10181707.md), 2020-10-26, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to program the ECM if found the cause of the customers complaint.
- [17NA291](/bulletins/10168181.md), 2019-11-25, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL. This technical bulletin provides a procedure to replace the radio for vehicles with the condition of Intermittent Pop Noise from the Speakers Followed by a Reset of the Radio and Clock due to a software issue.
- [PIT5448E](/bulletins/10163684.md), 2019-08-12, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.

JSON: [/v1/bulletins/10137323](/v1/bulletins/10137323)

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