# Service bulletin PIT6551A

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: 11038133
- Published by NHTSA: 2026\-10\-05
- Manufacturer's number: PIT6551A
- Manufacturer's date: 2026\-09\-28
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This preliminary information communicates an issue with of a service theft message after using the rear window defogger. Engineering is currently investigating.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11038133-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11038133-9999.pdf)

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

## Vehicles listed

- 2026 CADILLAC ESCALADE
- 2026 CADILLAC ESCALADE ESV
- 2026 to 2027 CADILLAC ESCALADE IQ
- 2026 to 2027 CADILLAC ESCALADE IQL
- 2026 to 2027 CHEVROLET SUBURBAN 1500
- 2026 to 2027 CHEVROLET TAHOE
- 2026 to 2027 GMC YUKON
- 2026 to 2027 GMC YUKON XL

JSON: [/v1/bulletins/11038133](/v1/bulletins/11038133)

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