Summary

• Fixes to help ensure proper functionality for heating and cooling features • Improvements to night mode lights for shifting gears • Fixes for Daytime Running Lamps turning on when set to Off • Fixes to help prevent erroneous missing key messages on driver display • Fixes for accuracy of low tire pressure alert • Fixes for speed threshold for pedestrian alerts • Improvements to the performance of driver assistance features • Fixes to help ensure accurate driver display messages and alerts • Improvements to adaptive cruise control, collision imminent braking, and diagnostic functionality

GM Over-The-Air (OTA) Software Update

Update Title
GM Update 654.20
Associated Field Action(s)
N25-252612

N25-253330

N25-253409

• Fixes to help ensure proper functionality for heating and cooling

features

• Improvements to night mode lights for shifting gears

• Fixes for Daytime Running Lamps turning on when set to Off

• Fixes to help prevent erroneous missing key messages on driver

display

• Fixes for accuracy of low tire pressure alert

• Fixes for speed threshold for pedestrian alerts

• Improvements to the performance of driver assistance features

• Fixes to help ensure accurate driver display messages and alerts

• Improvements to adaptive cruise control, collision imminent

braking, and diagnostic functionality
Release Notes
Model Year
2026
Make
Cadillac
Model
Escalade IQ

Escalade IQL

BCM (Body Control Module)

SRR (Short Range Radar)

LRR (Long Range Radar)
Components

1

[amazon bestseller="Tire Repair" description_length="60" items="2" tracking_id="oemdtc-aawp-20"]

If the PDF is very large, it may not load in the preview below.

Download PDF [198.61 KB]

Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.

If the TSB PDF does not show, download or view it on the NHTSA Website.

Click on the (+) Plus Sign

Then Click on Associated Document(s)

Search NHTSA Database for Recalls

View Latest Recalls

Search NHTSA Database for Vehicle Investigations

View Latest Vehicle Investigations