Service bulletin 0823523

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10247484
Published by NHTSA	2023-12-18
Manufacturer's number	0823523
Manufacturer's date	2023-10-21
NHTSA component	EXTERIOR LIGHTING; AIR BAGS; STRUCTURE; ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL

NHTSA's summary

Flash: Body Control Module (BCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? B25C9 - Driver Door Ajar Switch 2 Stuck Closed. ? U1412-09 - ASU (Alarm Siren Unit) - Component Failures. ? U1413-09 - UAM (Ultrasonic And Antitilt Module) - Component Failures. Customers may comment on the following: ? When the headlamps are placed in "Headlamps Off Delay" mode and the driver door is opened (engine off), the Headlamps On alert chime activates until the headlamps turn themselves off (no chime should be heard while in this mode). This bulletin involves reprogramming the BCM with the latest available software.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Air bags, Body and frame, Electrical system, Lighting, Throttle and cruise control

Trouble codes named

B25C9, U1412, U1413

Vehicles listed
DODGE HORNET	2024

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
2026315	2026-06-30. Lights And Instruments
2025590	2025-10-28. Lights And Instruments
2023558	2023-10-17. Lights And Instruments
23V623000	2023-09-07. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES; ELECTRICAL SYSTEM:PROPULSION SYSTEM: CABLES:FASTENER/CONNECTOR

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
08-344-26	2026-09-30. Service bulletin. Flash: Body Control Module (BCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation SYMPTOM: the technician must find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ● B25C9 - Driver Door Ajar Switch 2 Stuck Closed. ● U1412-09 - ASU (Alarm Siren Unit) - Component Failures. ● U1413-09 - UAM (Ultrasonic And Antitilt Module) - Component Failures. Customers may comment on one or more of the following: ● The battery is depleted, vehicle will not start. NOTE: The depleted battery is due to a high Ignition Off Draw (IOD) current. ● When the headlamps are placed in "Headlamps Off Delay" mode and the driver door is opened (engine off), the Headlamps On alert chime activates until the headlamps turn themselves off (no chime should be heard while in this mode) This bulletin involves reprogramming the BCM with the latest available software.
08-252-26	2026-07-02. Service bulletin. Heated Seats and Heated Wheel Turn Off Or Become Disabled Customers may comment on the following: ● Customer may comment that their Heated Seats and Heated Steering Wheel will turn off or become disabled (button grayed out on display screen) while driving the vehicle.
08-251-26	2026-07-02. Service bulletin. Body Control Module (BCM) Missing Generic Flash Support Technicians may experience the following: ● After replacing the BCM, a flash file does not appear / display in wiTECH
08-241-26	2026-07-02. Service bulletin. Flash: Auxiliary Hybrid Control Processor Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P2601-00 - Electric Coolant Pump Control Circuit Performance Stuck Off. ● U0623-00 - Lost Communication With Coolant Pump "A". ● P1DBA - Battery Cooling System Failure (Module, Hybrid Control Processor (HCP)). Customers may experience the following: ● The vehicle is not performing a scheduled cabin preconditioning. 'Cabin Preconditioning Unavailable' message present in the Instrument Panel Cluster (IPC) when the scheduled cabin condition is not performed as planned. This bulletin involves reprogramming the Auxiliary Hybrid Control Processor (AHCP) and Hybrid Control Processor (HCP) with the latest available software.
08-200-26	2026-05-20. Service bulletin. Instrument Panel Cluster (IPC) Content Missing Or Screen Blank Customers may experience the following: ● IPC content missing, display abnormal or screen blank
08-200-26	2026-05-13. Service bulletin. Instrument Panel Cluster (IPC) Content Missing Or Screen Blank Customers may experience the following: ● IPC content missing, display abnormal or screen blank
08-148-26	2026-04-22. Service bulletin. The following software enhancement is available: ● This software update enables the feature Active Cabin Ventilation (ACV). This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The TBM software will be updated from 5.49.0, 5.53.0 or 5.43 to 5.53 software level. NOTE: National launch for this FOTA update is expected to begin: April 14, 2025.
S1408000384 REV.J	2026-03-13. Service bulletin. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On
23-005-26	2026-03-13. Service bulletin. Windshield Wiper Blade Maintenance Customers may experience one or more of the following: SYMPTOM: ● Wiper blades that chatter/streak/jump/skip/smear or make noise while traveling across the windshield. . No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise, without written permission of FCA US LLC.
S228A000025 REV.A	2026-03-05. Service bulletin. Harman R1H Uconnect 5 Radio Software Flash Error Codes