# Service bulletin 0804322REVC

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: 10225280
- Published by NHTSA: 2022\-10\-31
- Manufacturer's number: 0804322REVC
- Manufacturer's date: 2022\-08\-16
- NHTSA component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

## NHTSA's summary

Flash: Heating Ventilation and Air Conditioning \(HVAC\) Updates This bulletin involves reprogramming the HVAC module with the latest available software. Customers may experience the following: During a remote start, the heated wheel, seat, mirrors and/or the Electric Back Light \(EBL\) may not turn on. High pitch whistle coming from the dash when the blower motor is turned on.High pitch whistle originated from the defroster door when the HVAC unit in either Hi\-Level \(panel and defrost\) or Bi\-Level \(panel and floor\) modes. May be worsened when running the front airflow at blower bar1\-2 and rear airflow at blower bar 5\-7

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10225280-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10225280-9999.pdf)

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

## Components

Glass, wipers and mirrors, Heating and air conditioning

## Vehicles listed

- 2021 JEEP GRAND CHEROKEE

## Recalls for the same vehicles and component

- [2024338](/recalls/tc/2024338.md), 2024-06-13: Visual System
- [2023456](/recalls/tc/2023456.md), 2023-08-14: Visual System
- [2021576](/recalls/tc/2021576.md), 2021-09-21: Visual System
- [21V729000](/recalls/nhtsa/21V729000.md), 2021-09-21: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; VISIBILITY:REARVIEW MIRRORS/DEVICES

## Other bulletins for the same vehicles and component

- [2310223](/bulletins/10248624.md), 2024-01-08, Service bulletin: VISIBILITY:SUN/MOON ROOF ASSEMBLY. Dual\-Pane Sunroof Leaking This bulletin involves replacing the dual\-pane wind deflector assembly with an updated design.
- [9004542](/bulletins/10248508.md), 2024-01-08, Service bulletin: VISIBILITY:WINDSHIELD WIPER/WASHER. Rain Sensor Before replacing the rain sensor during a front windshield replacement inspect the part for part numbers. If you have part numbers; 68507366, 68483780, 68384226 or 68384225, these parts do not utilize a replaceable gel pad, only replace the sensor for a missing or damaged gel pad. For part numbers 68298334, 68298468, 68607452 or 68194700 the gel pad should be replaced during all windshield replacements and can be ordered through MOPAR, complete sensor replacement is not necessary. Contact: FCA Redacted Content for further questions If no response in 15 minutes, proceed with repair.
- [S2308000011](/bulletins/10247940.md), 2024-01-02, Service bulletin: VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Rear Power Window Switch Controls Both Rear Windows, Front Window Master Switch Will Not Operate the Rear Window
- [S2323000013](/bulletins/10247937.md), 2024-01-02, Service bulletin: BACK OVER PREVENTION; VISIBILITY. Power Folding Mirror Makes Noise When Pivoting.
- [2310223](/bulletins/10244463.md), 2023-10-30, Service bulletin: VISIBILITY:SUN/MOON ROOF ASSEMBLY. Dual\-Pane Sunroof Leaking This bulletin involves replacing the dual\-pane wind deflector assembly with an updated design.
- [9004542](/bulletins/10244347.md), 2023-10-30, Service bulletin: VISIBILITY:WINDSHIELD WIPER/WASHER. Rain Sensor Before replacing the rain sensor during a front windshield replacement inspect the part for part numbers. If you have part numbers; 68507366, 68483780, 68384226 or 68384225, these parts do not utilize a replaceable gel pad, only replace the sensor for a missing or damaged gel pad. For part numbers 68298334, 68298468, 68607452 or 68194700 the gel pad should be replaced during all windshield replacements and can be ordered through MOPAR, complete sensor replacement is not necessary. Contact: FCA Redacted Content for further questions If no response in 15 minutes, proceed with repair.
- [2400623](/bulletins/10243271.md), 2023-10-02, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Diagnostic LOP Change
- [9100211](/bulletins/10243105.md), 2023-10-02, Service bulletin: VISIBILITY:GLASS, SIDE/REAR; STRUCTURE:BODY:DOOR. Glass, Rear Door Right If the rear side door glass has flaws such as delamination, distortion, or cracking, please contact FCA redacted content. If no response in 15 minutes, proceed with repair. Please take pictures of the affected area of the glass and email the pictures to FCA Redacted Content
- [S2223000061](/bulletins/10242744.md), 2023-09-25, Service bulletin: VISIBILITY:SUN/MOON ROOF ASSEMBLY. Buzz Squeak Rattle \(BSR\) Noise From Sunroof Area.
- [2400623](/bulletins/10241146.md), 2023-08-21, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Diagnostic LOP Change \(Except Alfa Romeo Vehicles\)

JSON: [/v1/bulletins/10225280](/v1/bulletins/10225280)

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