# Service bulletin 08\-028\-23

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: 10231807
- Published by NHTSA: 2023\-02\-13
- Manufacturer's number: 08\-028\-23
- Manufacturer's date: 2023\-01\-26
- NHTSA component: BACK OVER PREVENTION:SOFTWARE

## NHTSA's summary

Radio Over The Air Updating to S26.17 Software Version Battery drain on vehicle after connecting wiTECH to vehicle. 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 S26.15 to S26.17. NOTE: National launch for this FOTA update is expected to begin February 09, 2023.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10231807-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10231807-9999.pdf)

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

## Components

Driver assistance, Backup camera

## Vehicles listed

- 2022 to 2023 CHRYSLER PACIFICA
- 2022 to 2023 RAM 1500
- 2022 to 2023 RAM 2500
- 2022 to 2023 RAM 3500
- 2022 to 2023 RAM 4500

## Recalls for the same vehicles and component

- [26V327000](/recalls/nhtsa/26V327000.md), 2026-05-21: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
- [25V388000](/recalls/nhtsa/25V388000.md), 2025-06-12: EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
- [24V437000](/recalls/nhtsa/24V437000.md), 2024-06-13: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
- [24V436000](/recalls/nhtsa/24V436000.md), 2024-06-13: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
- [23V654000](/recalls/nhtsa/23V654000.md), 2023-09-28: BACK OVER PREVENTION:DISPLAY FUNCTION
- [23V059000](/recalls/nhtsa/23V059000.md), 2023-02-09: BACK OVER PREVENTION:DISPLAY FUNCTION
- [22V407000](/recalls/nhtsa/22V407000.md), 2022-06-09: BACK OVER PREVENTION:DISPLAY FUNCTION

## Other bulletins for the same vehicles and component

- [103289](/bulletins/11014887.md), 2025-03-04, Service bulletin: BACK OVER PREVENTION: WARNINGS; LANE DEPARTURE: BLIND SPOT DETECTION. CAMERA \- REAR VIEW
- [S2208000045 REV.B](/bulletins/11011774.md), 2024-12-11, Service bulletin: BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING. Backup Camera Poor Image Quality Inspection
- [0900124](/bulletins/10251862.md), 2024-03-18, Service bulletin: BACK OVER PREVENTION. Cold Engine Ticking Noise The customer may describe a ticking noise from the exhaust manifold location\(s\) when cold. This bulletin involves replacing the exhaust manifolds.
- [0819023](/bulletins/10248960.md), 2024-01-16, Service bulletin: BACK OVER PREVENTION; ELECTRICAL SYSTEM; PARKING BRAKE; TRAILER HITCHES. Radio Over the air update to R255.45.06 Customers may experience one or more of the following: No sound heard when Assist \& SOS Call is established. Balance/Fade does not stay on when setup by one press. Wireless Phone interface freezes after User accepts incoming call when in a conference call. System switches to Wireless after key cycle, profile change, theme change, or theme mode change. After overnight sleep cycle defrost vent and dash vent are cut off due to duplicate front defrost. Surround sound image loads incorrectly when activating with Android Auto?. Radio plays different SXM® station than user selected. After a software update, previously added widgets to Shortcuts show up as "Couldn't add widget". SXM® presets grayed out, non\-functional and audio intermittently fades in and out. Switch between the Cargo Camera screen and the AUX camera screen while switching between Night/Day modes, camera image may not be displayed. \(Rearview camera functions normally\). Deleting songs from Artist \& Song Notifications, then Sports announcement displayed and "X" to cancel freezes screen. \(Rearview camera functions normally\). After a long sleep cycle, the left menu bar showing SXM® station categories \(i.e. For You, Music, Sports, News, Presets\) does not display all categories. When playing SXM®, after switching to a profile with a different Theme Mode, starting Bus Sleep cycle causes Presets Shown to change from 20 to 15. \(Rearview camera functions normally\). When call received from another vehicle, the voice of the receiving end is echoed back, the caller's vehicle has no echo issue. No response from Browse hard button when SXM® source is selected. Screen graphics/Theme \- Shortcut widgets show up as "Loading", even after full sleep cycle. Android Auto? \- Call duration displayed on status bar notification area is different than the actual duration. Widget view and Android Auto? screen are showing correct. Back Camera Icon is grayed out and it's not accessible f
- [0820323](/bulletins/10248947.md), 2024-01-16, Service bulletin: AIR BAGS; BACK OVER PREVENTION. Radio Over The Air Update to T25.48 Software Version The customer may experience one or more of the following: ? Ambient Light Setting inoperable. ? Radio reset \(Rearview camera functions normally\). ? Voice Recognition \(VR\) inoperable. ? Audio sources inoperable. ? Wireless CarPlay® inoperable. ? Setting preferences not saved on correct profile. ? Audio loss. 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 S26.17 to T25.48. NOTE: The National campaign for this FOTA update launched July 17, 2023.
- [0824423](/bulletins/10248928.md), 2024-01-16, Service bulletin: BACK OVER PREVENTION; PARKING BRAKE; ELECTRICAL SYSTEM. Radio R255.45.06 USB Software Update The customer may experience one or more of the following: No sound heard when Assist \& SOS Call is established. Balance/Fade does not stay on when setup by one press. Wireless Phone interface freezes after User accepts incoming call when in a conference call. System switches to Wireless after key cycle, profile change, theme change, or theme mode change. After overnight sleep cycle defrost vent and dash vent are cut off due to duplicate front defrost. Surround sound image loads incorrectly when activating with Android Auto?. Radio plays different SXM? station than user selected. After a software update, previously added widgets to Shortcuts show up as "Couldnt add widget". SXM? presets greyed out, non\-functional and audio intermittently fades in and out. Switch between the Cargo Camera screen and the AUX camera screen while switching between Night/Day modes, camera image may not be displayed \(Rearview camera functions normally\). Deleting songs from Artist \& Song Notifications, then Sports announcement displayed and 9X9 to cancel freezes screen \(Rearview camera functions normally\). After a long sleep cycle, the left menu bar showing SXM? station categories \(i.e. For You, Music, Sports, News, Presets\) does not display all categories. When playing SXM?, after switching to a profile with a different Theme Mode, starting Bus Sleep cycle causes Presets Shown to change from 20 to 15 \(Rearview camera functions normally\). When call received from another vehicle, the voice of the receiving end is echoed back, the callers vehicle has no echo issue. No response from Browse hard key when SXM? source is selected. Screen graphics/Theme \- Shortcut widgets show up as "Loading", even after full sleep cycle. Android Auto? \- Call duration displayed on status bar notification area is different than the actual duration. Widget view and Android Auto? screen are showing correct. Back Camera Icon is grayed out and its not accessible from
- [0823723](/bulletins/10248920.md), 2024-01-16, Service bulletin: WHEELS; AIR BAGS; BACK OVER PREVENTION; ENGINE AND ENGINE COOLING; STRUCTURE; ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Transfer Case Shift Motor Wire Harness Connector Not Secured 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: ? U0418\-00 \- Implausible Data Received From Brake System Control Module. ? C1444\-98 \- T\-Case Motor Overuse\-Component or System Over Temperature. ? C00A8\-13 \- 4WD/AWD Transfer Case Unit Actuator Position Sensor B\-Circuit Open. ? C00A7\-13 \- 4WD/AWD Transfer Case Unit Actuator Position Sensor A\-Circuit Open. ? C149E\-64 \- Transfer Case Motor Position Sensor\-Signal Plausibility Failure. ? C1423\-64 \- Transfer Case Internal Performance\-Signal Plausibility Failure. ? C1406\-13 \- Transfer Case Brake Control\-Circuit Open. ? C1477\-4B \- Transfer Case Clutch\-Over Temperature. ? C140A\-13 \- Transfer Case Motor Control\-Circuit Open. ? U041E\-00 \- Invalid Data Received From All Wheel Drive Control Module. ? U0422\-00 \- Implausible Data Received From Body Control Module. ? U0418\-00 \- Implausible Data Received From Brake System Control Module 1. ? U041E\-00 \- Invalid Data Received Form All Wheel Drive Control Module. ? U0403\-00 \- Implausible Data Received From T\-Case. The customer may also comment on the following: ? 4WD Service light displayed in the Instrument Panel Cluster \(IPC\). This bulletin involves performing a push?pull?push test on the transfer case shift motor wire harness connector.
- [0821223](/bulletins/10248599.md), 2024-01-08, Service bulletin: BACK OVER PREVENTION; EQUIPMENT:ELECTRICAL. Radio Over The Air Update From S26.17 and T25.48 to T25.51 Software Version Customer may experience one or more of the following: ? Missing Side Camera and Trailer View SoftKeys. ? Ambient Light Setting inoperable. ? Radio reset \(Rearview camera functions normally\). ? Voice Recognition \(VR\) inoperable. ? Audio sources inoperable. ? Wireless CarPlayT inoperable. ? Setting preferences not saved on correct profile. ? Audio loss. 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 S26.17 and T25.48 to T25.51. NOTE: The National campaign for this FOTA update is estimated to be launched on September 29, 2023.
- [9004452](/bulletins/10248516.md), 2024-01-08, Service bulletin: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. CAMERA, Rear View Prior to replacement, please contact FCA Redacted Content. If no response in 15 minutes, proceed with repair.
- [0805323](/bulletins/10248024.md), 2024-01-02, Service bulletin: BACK OVER PREVENTION; ELECTRICAL SYSTEM; WHEELS; STEERING; VEHICLE SPEED CONTROL. Radio S26.17 USB Software Update The customer may describe the following: ? Cluster and display do not shut off with engine off. ? Battery drain. ? SXM? radio shows one station on screen but is playing a different station. ? Navigation inoperative. ? Black or blank radio screen \(Rear View Camera \(RVC\) will still function normally\). ? Radio lockup \(RVC will still function normally\). ? No Verbal warnings on navigation. ? Surround sound inoperative. ? Blu\-ray? DVD unavailable. ? Listen in/Mirror feature inoperative. ? PHEV radio does not turn off when opening door or after charging. ? Audio Overlap between sources. ? Radio does not recognize the vehicle is in park. No keyboard pop up, vehicles setting are hidden. ? Radio presets are not saving. ? Audio mute on calls \(Phone, SOS and Ecall\). ? Radio Resets \(Rear view camera will still function normally\). ? Radio screen freezes \(RVC will still function normally\). ? Audio disruptions. ? Wireless connectivity device disconnect. ? Wireless connectivity disconnecting. ? CarPlayT icon does not appear in device manager. ? Climate icon missing. ? SXM? inoperative. ? Audio muted. ? Missing profiles icon. ? Cluster displays incorrect audio source. ? Radio is slow to respond. ? Steering wheel controls skipping SXM channels. ? Recent calls not displayed. ? Phone audio playing with ignition off. The following software enhancements are available: ? Uconnect Phone improvements. ? Apple CarPlayT and Android AutoT improvements. ? Voice recognition command improvements. ? FOTA enhancements. This bulletin involves inspecting the software level and updating the software to S26.17.

JSON: [/v1/bulletins/10231807](/v1/bulletins/10231807)

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