# Service bulletin 0819923

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: 10243263
- Published by NHTSA: 2023\-10\-02
- Manufacturer's number: 0819923
- Manufacturer's date: 2023\-08\-19
- NHTSA component: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

Radio Firmware Over The Air \(FOTA\) Update from R16.28 or R17.98 to R17.99 Software Version Customers may experience one or more of the following: ? Radio resets at times. ? Wireless disconnects. ? Intermittent display screen blank. ? Radio slow to respond and lockup. ? Radio inoperative intermittently. ? Apps not able to update. Additional enhancement included with this software update: ? CarPlayT and Android AutoT improvements and robustness added. 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 radio software will be updated from R16.28 and R17.98 \(RU\) and from R17.98 \(WD\) to R17.99. NOTE: The National campaign for this FOTA update launched September 8, 2023.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10243263-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10243263-9999.pdf)

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

## Components

Electrical system, Equipment and accessories, Software

## Vehicles listed

- 2021 CHRYSLER PACIFICA
- 2021 CHRYSLER VOYAGER
- 2022 DODGE DURANGO

## Other bulletins for the same vehicles and component

- [ReferenceY40](/bulletins/10251816.md), 2024-03-18, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. Customer Satisfaction Notification Y40 Control Module Software Updates
- [0819823](/bulletins/10243258.md), 2023-10-02, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL. Telematics Box Module \(TBM\) Firmware Over The Air \(FOTA\) Software Updating from 4.29C to 4.36 Customers may experience one or more of the following: ? Uconnect Box requires service message at start up. ? Losing Wi\-Fi Hotspot streaming connection: internet data is not reliable. ? User is unable to setup the Charge schedule/Climate schedule events in Uconnect App \(TBM is sending failure message\). ? LED blinking on overhead console after ignition cycle. These conditions do not affect the rear view camera display. 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 4.29c to 4.36. NOTE: The national launch for the FOTA is expected to begin September 08, 2023.
- [BulletinA](/bulletins/10240002.md), 2023-07-31, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Customer Satisfaction Notification ZD7 \- Radio Software Update
- [1805121](/bulletins/10223499.md), 2022-10-17, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: P1AC6\-00 \- MCPA Crankshaft Position Signal Sensor Performance. P0335 \- Crankshaft Position Sensor Circuit. P0339 \- Crankshaft Position Sensor Intermittent. P0031 \- O2 Sensor 1/1 Heater Circuit Low. P0032 \- O2 Sensor 1/1 Heater Circuit High. P0037 \- O2 Sensor 1/2 Heater Circuit Low. P0038 \- O2\-Sensor 1/2 Heater Circuit High. P0051 \- O2\-Sensor 2/1 Heater Circuit Low. P0052 \- O2\-Sensor 2/1 Heater Circuit High. P0057 \- O2 Sensor 2/2 Heater Circuit Low. P0058 \- O2\-Sensor 2/2 Heater Circuit High. The following modules need to be flashed for this update to be effective, the following modules are all to be updated along with this PCM update:Hybrid Control Processor \(HCP\) and Auxiliary Hybrid Control Processor \(AHCP\) or also known as Power Inverter Module \(PIM\).
- [0808821](/bulletins/10212481.md), 2022-05-31, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. Radio Enhancements This bulletin involves updating the radio software level to 2036.06. Customers may experience the following: Ghost Touch, features, modes and App?s changing without drivers input. Product plan UUID is not correct in Carplay®. Carplay audio does not always resume. Battery save vs. Battery Charge toggles back to Battery Charge after sleep cycle. When ?Charge Now? is selected on key\-off outside of the charging schedule ? it does nothing. In addition, the following enhancements are included:Update power supply source from 1 amp to 2.1 amps. GOOGLE® certification enhancements \- screen flickers
- [S2008000188 Rev.](/bulletins/10188731.md), 2021-03-15, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. R1 Radio, Sales Codes UBN, UEN, UBG, UEG, UFN, UFG With DTC?s B1498\-13, B1408\-13, B140C\-13, B1431\-00
- [S2008000155](/bulletins/10183035.md), 2020-11-30, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. Check Software Level On R1 Harman Radio

JSON: [/v1/bulletins/10243263](/v1/bulletins/10243263)

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