# Service bulletin S2208000080

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: 10229078
- Published by NHTSA: 2023\-01\-09
- Manufacturer's number: S2208000080
- Manufacturer's date: 2022\-03\-25
- NHTSA component: BACK OVER PREVENTION; ELECTRICAL SYSTEM

## NHTSA's summary

Ambient Air Temperature Missing, MIL Lamp On, DTC P0070\-15 Ambient Air Temperature Sensor Circuit\-Circuit Short to Battery or Open; P0073 Ambient Air Temperature Sensor Circuit High

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10229078-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10229078-9999.pdf)

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

## Components

Driver assistance, Electrical system, Backup camera

## Trouble codes named

P0070, P0073

## Vehicles listed

- 2021 to 2022 RAM 1500
- 2021 to 2022 RAM 2500
- 2021 to 2022 RAM 3500
- 2021 to 2022 RAM 4500
- 2021 to 2022 RAM 5500

## Recalls for the same vehicles and component

- [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
- [22V638000](/recalls/nhtsa/22V638000.md), 2022-08-25: BACK OVER PREVENTION:DISPLAY FUNCTION
- [22V407000](/recalls/nhtsa/22V407000.md), 2022-06-09: BACK OVER PREVENTION:DISPLAY FUNCTION
- [21V918000](/recalls/nhtsa/21V918000.md), 2021-11-23: STEERING:STEERING CONTROL MODULE; BACK OVER PREVENTION:DISPLAY FUNCTION
- [21V438000](/recalls/nhtsa/21V438000.md), 2021-06-10: 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
- [0803224](/bulletins/10251879.md), 2024-03-18, Service bulletin: BACK OVER PREVENTION; ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Battery Pack Control Module \(BPCM\) Software Update 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 \(DTC\)s have been set: ? P0AC0 \- Hybrid Battery Pack Current Sensor 1 Circuit Performance. ? P1A29 \- Cell Supervisory Circuit A Failure. ? P0DE7 \- Hybrid/EV Battery Pack Cell Voltage High. ? P0ABA \- Voltage Sense A Circuit. ? P0B3D \- Hybrid Battery Voltage Sense "A" Circuit Low. ? P0B3E \- Hybrid Battery Voltage Sense "A" Circuit High. ? U3017 \- Control Module Timer/Clock Performance. ? P0E55 \- DC/DC Converter Current Sensor Circuit "A". ? P0DAF \- Hybrid/EV Battery Cell Balancing Circuit "A". ? P0AD4 \- Hybrid Battery Pack Air Flow System Insufficient Air Flow. This bulletin involves updating the BPCM with the latest available software.
- [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.
- [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.
- [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.
- [0806423](/bulletins/10248049.md), 2024-01-02, Service bulletin: BACK OVER PREVENTION:SOFTWARE. Radio Over The Air Updating to QR40.12 Software Version Mobile Wi\-Fi inoperative upon start up. ? Hotspot gives 9No Internet9 connection message on phone, when trying to connect to a device. 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 QR39.7 to QR40.12. NOTE: National launch for this FOTA update is expected to begin March 10, 2023. DISCUSSION: Vehicles sold in the U.S. and Canada can now receive software updates ?over\-the\-air?. Updates to software will occur in a phased roll\-out. The software is updated through the built\-in cellular modem in the radio.
- [0804423](/bulletins/10248019.md), 2024-01-02, Service bulletin: STEERING; TRAILER HITCHES; SERVICE BRAKES; BACK OVER PREVENTION; ELECTRICAL SYSTEM; WHEELS. Radio Over The Air S24.13 and S24.18 Updating to S26.17 Software Version Customers may experience one or more of the following: ? \*\*Blank screen \(Rear view camera is not affected and will still function normally\).\*\* ? Battery drain. ? Radio resets \(Rear view camera will still function normally\). ? Wireless connectivity device disconnect. ? CarPlayT icon does not appear in device manager. ? Climate icon missing. ? Audio disruptions. ? SXMT inoperative. ? Audio muted. ? Passenger screen blank. ? Passenger screen apps missing. ? Missing profiles icon. ? Instrument Panel Cluster \(IPC\) displays incorrect audio source. ? Radio is slow to respond. ? Trailer tire pressure configurations deleted. ? Steering wheel controls skipping SXMT channels. ? Recent calls not displayed. ? Phone audio playing with ignition off. The following improvements are also included with this update: ? Apple CarPlayT and Android AutoT improvements. ? Voice Recognition \(VR\) command improvements. ? Uconnect phone improvements. ? FOTA improvements. ? Passenger screen camera app improvements. ? Icon size/layout improvements. 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 S24.13 or S24.18 to S26.17. NOTE: The national launch for the FOTA is expected to begin November 25, 2022.
- [1801823](/bulletins/10248008.md), 2024-01-02, Service bulletin: BACK OVER PREVENTION; ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) Updates Customer or technician may experience the following: ? \*\*Power Take Off \(PTO\) disable to high engine oil temperature \(DD and DP Cab Chassis only\)\*\*. ? Customer may complain of slow PTO idle ramp up. ? Message will appear ?Hot Oil? and exit high idle or PTO mode, when in high idle or PTO mode and running between 10\-30 minutes \(no load\). ? High frequency exhaust noise at idle after cold start. This bulletin involves reprogramming the PCM with the latest available software.
- [1801723](/bulletins/10248003.md), 2024-01-02, Service bulletin: POWER TRAIN; BACK OVER PREVENTION; ELECTRICAL SYSTEM; AIR BAGS. Flash: Powertrain Control Module \(PCM\) Updates Customer or technician may experience the following: ? High frequency exhaust noise at idle after cold start. ? Power Take Off \(PTO\) disable to high engine oil temperature. ? Multiple Displacement System \(MDS\) transition causing a transmission clunk noise under light throttle when coasting in fourth gear. This bulletin involves reprogramming the PCM with the latest available software.

JSON: [/v1/bulletins/10229078](/v1/bulletins/10229078)

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