# Service bulletin 2400623

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: 10243271
- Published by NHTSA: 2023\-10\-02
- Manufacturer's number: 2400623
- Manufacturer's date: 2023\-08\-24
- NHTSA component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

## NHTSA's summary

A/C Diagnostic LOP Change

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10243271-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10243271-9999.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 to 2024 ALFA ROMEO GIULIA
- 2021 to 2024 ALFA ROMEO STELVIO
- 2023 ALFA ROMEO TONALE
- 2024 ALFA ROMEO TONALE PHEV
- 2021 to 2023 CHRYSLER 300
- 2021 CHRYSLER 300 AWD
- 2021 to 2024 CHRYSLER PACIFICA
- 2021 to 2022 CHRYSLER PACIFICA PLUG\-IN HYBRID
- 2021 to 2024 CHRYSLER VOYAGER
- 2021 to 2023 DODGE CHALLENGER
- 2021 to 2023 DODGE CHARGER
- 2021 to 2023 DODGE DURANGO
- 2023 DODGE DURANGO1
- 2024 DODGE GRAND CARAVAN
- 2023 to 2024 DODGE HORNET
- 2021 to 2022 DODGE JOURNEY
- 2021 to 2022 FIAT 500X
- 2021 to 2023 JEEP CHEROKEE
- 2024 JEEP CHEROKEE
- 2022 to 2024 JEEP COMMANDER
- 2021 to 2024 JEEP COMPASS
- 2021 to 2024 JEEP GLADIATOR
- 2021 to 2024 JEEP GRAND CHEROKEE
- 2021 JEEP GRAND WAGONEER
- 2022 to 2024 JEEP GRAND WAGONEER
- 2021 to 2023 JEEP RENEGADE
- 2024 JEEP RENEGADE
- 2022 to 2024 JEEP WAGONEER
- 2021 to 2024 JEEP WRANGLER
- 2021 JEEP WRANGLER 4XE
- 2021 to 2024 RAM 1500
- 2021 to 2024 RAM 2500
- 2021 to 2024 RAM 3500
- 2021 to 2024 RAM 4500
- 2021 to 2024 RAM 5500
- 2021 to 2023 RAM PROMASTER
- 2021 RAM PROMASTER 1500
- 2023 RAM PROMASTER 1500
- 2023 RAM PROMASTER 2500
- 2023 RAM PROMASTER 3500
- 2021 RAM PROMASTER CITY

## Recalls for the same vehicles and component

- [2026347](/recalls/tc/2026347.md), 2026-07-16: Visual System
- [2025533](/recalls/tc/2025533.md), 2025-10-07: Visual System
- [25V430000](/recalls/nhtsa/25V430000.md), 2025-06-26: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
- [2025354](/recalls/tc/2025354.md), 2025-06-24: Heater And Defroster
- [2025317](/recalls/tc/2025317.md), 2025-06-12: Visual System
- [2025204](/recalls/tc/2025204.md), 2025-04-15: Visual System
- [2024766](/recalls/tc/2024766.md), 2024-12-19: Visual System
- [2024596](/recalls/tc/2024596.md), 2024-10-10: Visual System
- [24V754000](/recalls/nhtsa/24V754000.md), 2024-10-10: VISIBILITY:REARVIEW MIRRORS/DEVICES
- [2024338](/recalls/tc/2024338.md), 2024-06-13: Visual System

## Other bulletins for the same vehicles and component

- [96076](/bulletins/11002753.md), 2024-07-02, Other: VISIBILITY/WIPER. MOTOR \- WINDSHIELD WIPER \& WIPERUNIT \- WINDSHIELD WIPER
- [97891](/bulletins/11002425.md), 2024-06-27, Other: VISIBILITY/WIPER. MOTOR \- WINDSHIELD WIPER
- [94006](/bulletins/11002424.md), 2024-06-27, Other: VISIBILITY/WIPER. WIPERUNIT \- WINDSHIELD WIPER, BLADE \- FRONT WIPER
- [98927](/bulletins/11002316.md), 2024-06-26, Other: VISIBILITY/WIPER. MOTOR \- WINDSHIELD WIPER \& WIPERUNIT \- WINDSHIELD WIPER
- [9100354](/bulletins/11001374.md), 2024-06-10, Service bulletin: VISIBILITY/WIPER; STEERING; VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM. SWITCH Multifunction Before replacing the steering column control module \(SCCM\), please follow these steps: 1.\- Make sure all the switches' and airbag's harness are properly connected, disconnect the switches and reconnect them, and reverify the issue. 2.\- Review the SCCM for any physical issue \(Autolock, clockspring damaged\) 3.\- Pull the SCCM fuse for 60 sec and then reinstall it. 3.\- Reverify if Steering wheel switches are inoperative. If there are no DTC's, physical defects, nor switches inop, then SCCM does not need to be replaced.
- [24\-002\-24](/bulletins/11001249.md), 2024-06-07, Service bulletin: VISIBILITY/WIPER; ELECTRICAL SYSTEM. "Air Conditioning Not Blowing Cold or is Inoperative The customer or technician may describe or find one or more of the following: ● A/C system provides insufficient cabin cooling. ● Low A/C system pressure. ● Lack or loss of refrigerant in the A/C system. This bulletin involves performing an inspection and possibly replacing A/C lines."
- [S2408000008](/bulletins/10251794.md), 2024-03-18, Service bulletin: VISIBILITY/WIPER. Rain Sensing Auto Wipers Or Auto Headlamps Inoperative, DTC B221D\-00, B23AA\-00
- [S2323000003](/bulletins/10251788.md), 2024-03-18, Service bulletin: VISIBILITY:WINDSHIELD. Wind Noise From Windshield Or Front Instrument Panel Area At Highway Speed
- [0825623](/bulletins/10248956.md), 2024-01-16, Service bulletin: VISIBILITY; ELECTRICAL SYSTEM. Door Control Module Window Inoperative Customers may experience the following: ? Front windows do not operate for one full key cycle. This bulletin involves inspecting and possibly reprogramming the DDM with the latest available software.
- [2401323](/bulletins/10248930.md), 2024-01-16, Service bulletin: UNKNOWN OR OTHER; EQUIPMENT:APPLIANCE:AIR CONDITIONER. Air Conditioning Not Blowing Cold or is Inoperative Customers may comment on one or more of the following: ? A/C will not function. ? A/C is not blowing cold. This bulletin involves performing an inspection on and possibly replacing the evaporator.

JSON: [/v1/bulletins/10243271](/v1/bulletins/10243271)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%202400623&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10243271&vehicle=Service%20bulletin%202400623)