Power to the 110V/120 Outlet is Interrupted During an Auto Stop/Start Event – 2021 Cadillac Chevrolet GMC

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NHTSA ID Number: 10205557

Manufacturer Communication Number: 21NA197

 

Summary

This technical bulletin provides repair information to correct a customer concern of Power to the 110V/120 Outlet is Interrupted During an Auto Stop/Start Event.

 

 


6 Affected Products

Vehicles

MAKE MODEL YEAR
CADILLAC ESCALADE 2021
CADILLAC ESCALADE ESV 2021
CHEVROLET SUBURBAN 2021
CHEVROLET TAHOE 2021
GMC YUKON 2021
GMC YUKON XL 2021

 


Condition

Some customers may comment the 110/120 volt power outlets are inoperative during an Auto Stop/Start event. The 110 VAC outlet may have experienced a power interruption during the start of the vehicle.

 

Cause

The cause of this condition may be a concern within the T1 DC/AC Converter Control Module.

 

Correction

Replace the Accessory AC and DC Power Control Module (2). The new module has hardware and software modifications to maintain limited operation during Auto-Start events.

Refer to Accessory AC and DC Power Control Module Replacement, in SI.

 

Parts Information

Causal Part Description Part Number Qty
X MODULE ASM-ACSRY AC & DC PWR CONT (W/BRKT 84981765 1

 



1 Associated Document

Manufacturer Communications

Bulletin No.: 21-NA-197
Date: November, 2021

https://www.nhtsa.gov/recalls?nhtsaId=10205557

MC-10205557-9999.pdf 71.798KB

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NHTSA ID Number: 10185706

Manufacturer Communication Number: PIT5787A

 

Summary

This Preliminary information communicates an issue with the 110 volt power outlets turning off during an Auto Stop event, which is normal operation.

1 Associated Document

Manufacturer Communications

Bulletin No.: PIT5787A
Published date: 12/1/2020

https://www.nhtsa.gov/recalls?nhtsaId=10185706

MC-10185706-9999.pdf 246.844KB

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