# Service bulletin PIC6497A

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: 10247769
- Published by NHTSA: 2023\-12\-26
- Manufacturer's number: PIC6497A
- Manufacturer's date: 2023\-09\-05
- NHTSA component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

## NHTSA's summary

This Preliminary information communicates that a click or tick noise may be heard when adjusting HVAC temperatures.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10247769-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10247769-9999.pdf)

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

## Components

Glass, wipers and mirrors, Heating and air conditioning

## Vehicles listed

- 2023 CADILLAC LYRIQ
- 2024 CADILLAC redundant LYRIQ

## Other bulletins for the same vehicles and component

- [24\-NA\-164](/bulletins/11017050.md), 2025-04-15, Service bulletin: VISIBILITY/WIPER. This bulletin provides information on Wiper Blade Maintenance Tips.
- [24\-NA\-164](/bulletins/11015215.md), 2025-03-06, Service bulletin: VISIBILITY/WIPER. This bulletin provides information on Wiper Blade Maintenance Tips.
- [21\-NA\-043](/bulletins/11014230.md), 2025-02-12, Service bulletin: VISIBILITY/WIPER; SERVICE BRAKES; ENGINE; ELECTRICAL SYSTEM; WHEELS. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold \(prepping\) to the customer.
- [24\-NA\-164](/bulletins/11008000.md), 2024-09-25, Service bulletin: VISIBILITY/WIPER. This bulletin provides information on Wiper Blade Maintenance Tips.
- [PI0754G](/bulletins/11006511.md), 2024-08-17, Service bulletin: VISIBILITY/WIPER. This PI provides information on Rear and Side Tempered Glass Spots \(Quench Marks\) and that they are a normal characteristic.
- [PIE0769D](/bulletins/11006425.md), 2024-08-15, Service bulletin: VISIBILITY/WIPER. This engineering information \(EI\) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the door windows that will not roll all the way up.
- [PIE0769C](/bulletins/10251379.md), 2024-03-06, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. This engineering information \(EI\) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard the door windows will not roll all the way up.
- [PIC6537A](/bulletins/10249984.md), 2024-02-12, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary information communicates that a noise or vibration maybe heard from the A/C compressor and that Engineering is working on a resolution.
- [PIC6537](/bulletins/10249977.md), 2024-02-12, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary information communicates that a noise or vibration maybe heard from the A/C compressor and that Engineering is working on a resolution.
- [24\-NA\-011](/bulletins/10249532.md), 2024-02-02, Service bulletin: EQUIPMENT; VISIBILITY:SUN/MOON ROOF ASSEMBLY; STRUCTURE. This service bulletin provides repair information to correct a customer concern of rear sunroof itching.

JSON: [/v1/bulletins/10247769](/v1/bulletins/10247769)

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