# Over\-the\-air update 654.20

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.

- Type: Over\-the\-air update
- NHTSA id: 11027922
- Published by NHTSA: 2026\-02\-01
- Manufacturer's number: 654.20
- Manufacturer's date: 2026\-01\-30
- Campaign id or software version: 654.20
- NHTSA component: UNKNOWN OR OTHER
- Manufacturer's system: BCM, TPIM, LRR, SRR, VLM: BCM \(Body Control Module\), TPIM \(Traction Power Inverter Module\), LRR \(Long Range Radar\), SRR \(Short Range Radar\), VLM \(Vehicle Leveling Module\)

## NHTSA's 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. • 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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11027922-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11027922-9999.pdf)

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

## Vehicles listed

- 2025 CADILLAC ESCALADE IQ

JSON: [/v1/bulletins/11027922](/v1/bulletins/11027922)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Over-the-air%20update%20654.20&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11027922&vehicle=Over-the-air%20update%20654.20)
