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Over-the-air update 653.20

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeOver-the-air update
NHTSA id11024647
Published by NHTSA2025-10-31
Manufacturer's number653.20
Manufacturer's date2025-10-13
Campaign id or software version653.20
NHTSA componentUNKNOWN OR OTHER
Manufacturer's systemBCM, ECP, VLM, CGM, TCP, LRR: BCM (Body Control Module), ECP (Electrification Control Processor), VLM (Vehicle Leveling Module), CGM (Communication Gateway Module), TCP (Telematics Communication Platform), LRR (Long Range Radar)

NHTSA's summary

• Fixes to heated seat indicator and functionality • Improvements to adaptive cruise control, collision imminent braking, and diagnostic functionality • Improvements to leveling corrections when driving on a slope extensively • Fixes to help prevent valve compressor from sticking • Improvements to performance of One Pedal Driving • Improved accuracy of collision calls • Various fixes and improvements During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Vehicles listed
CADILLAC ESCALADE IQ2025

Listing a model year does not mean every vehicle of it is concerned: the document says which.