# Service bulletin S2108000022RevA

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: 10221298
- Published by NHTSA: 2022\-09\-26
- Manufacturer's number: S2108000022RevA
- Manufacturer's date: 2021\-06\-24
- NHTSA component: TRAILER HITCHES

## NHTSA's summary

Service Trailer Brake Warning Message Displayed On The Cluster

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10221298-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10221298-9999.pdf)

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

## Components

Trailer hitch

## Vehicles listed

- 2019 to 2020 RAM 1500

## Other bulletins for the same vehicles and component

- [9004470](/bulletins/10225951.md), 2022-11-07, Service bulletin: STRUCTURE:BODY:BUMPERS; ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES; TRAILER HITCHES. CONNECTOR Trailer Tow,WIRING Trailer Tow,CONNECTOR 7 Way,WIRING Rear Bumper If the connector or wiring is physically damaged, burned, melted or corroded, prior to replacing the part, please contact FCA Redacted Content If no response in 15 minutes, proceed with repair. Please send pictures of the failed part to FCA Redacted Content
- [9004470](/bulletins/10222885.md), 2022-10-17, Service bulletin: TRAILER HITCHES. CONNECTOR/WIRING, Trailer Tow If the connector or wiring is physically damaged, burned, melted or corroded, prior to replacing the part, please contact FCA Redacted Content If no response in 15 minutes, proceed with repair. Please send pictures of the failed part to FCA Redacted Content
- [9004470](/bulletins/10221380.md), 2022-09-26, Service bulletin: TRAILER HITCHES; ELECTRICAL SYSTEM:WIRING. CONNECTOR/WIRING, Trailer Tow If the connector or wiring is physically damaged, burned, melted or corroded, prior to replacing the part, please contact FCA Redacted Content If no response in 15 minutes, proceed with repair. Please send pictures of the failed part to FCA Redacted Content
- [S2108000022](/bulletins/10215896.md), 2022-07-18, Service bulletin: LANE DEPARTURE; TRAILER HITCHES. Service Trailer Brake Warning Message Displayed On The Cluster
- [S2108000003 Rev.](/bulletins/10215872.md), 2022-07-18, Service bulletin: WHEELS; LANE DEPARTURE; STEERING; TRAILER HITCHES; VISIBILITY. Cluster Displays Blind Spot Alert Off Incompatible Trailer Message, Left Steering Wheel Switches Do Not Allow Update Or Change
- [9004470](/bulletins/10214527.md), 2022-06-27, Service bulletin: ELECTRICAL SYSTEM:WIRING; TRAILER HITCHES. CONNECTOR/WIRING, Trailer Tow If the connector or wiring is physically damaged, burned, melted or corroded, prior to replacing the part, please contact FCA Redacted Content If no response in 15 minutes, proceed with repair. Please send pictures of the failed part to FCA Redacted Content
- [S2108000022](/bulletins/10212471.md), 2022-05-31, Service bulletin: LANE DEPARTURE; TRAILER HITCHES. Service Trailer Brake Warning Message Displayed On The Cluster
- [03\-005\-21](/bulletins/10204388.md), 2021-12-13, Service bulletin: SUSPENSION; TRAILER HITCHES. Rear Axle Vibration, Shudder Or Chatter This bulletin involves changing the rear axle lube to possibly address a chatter, shudder or vibration. The customer may describe the following:A chatter, shudder, or vibration from the rear axle during turns. This may happen more as the vehicle ages, especially if the vehicle is used extensively for towing or hauling heavy loads. The cause of the concern may be due to degradation of the rear axle fluid. It is very important to follow the routine maintenance schedules on these vehicles when it comes to changing the rear axlefluid if the vehicle is used primarily for towing or hauling heavy loads. If you experience a vehicle with the above condition, please perform the proper maintenance procedures for the rear axle and replace the fluid first before replacing any hardware components.This service bulletin is only applicable to vehicles that have no history of an axle fluid replacement. If the vehicle usage includes police, taxi, fleet, off\-road or frequent trailer towing, regular axle fluid changes are required every3 years or 30,000 miles \(whichever comes first\) per the Maintenance Schedule in the vehicle Owner's Manual.
- [9004253](/bulletins/10175617.md), 2020-05-26, Service bulletin: TRAILER HITCHES. MODULE, Trailer Tow \(Integrated Trailer Brake Module For concern of error message ?Park Assist System Disabled? displayed on the Cluster with DTC U0137 stored or active, please review the communication path between the ITBM and PTS \(Parktronics ? Park Assist System\). Follow U0137 and Communication Diagnostic Procedure to rule out potential improper connector installation, damage harness / connector, water intrusion, or TPO issues. If the DTC U0137 is stored, please do 5 igniton cycles from bus sleep mode and verify if the DTC becomes active. If the DCT U0137 is active, please create and email a copy of the Scan Report to: FCA Redacted Content We will review the scan report and let you know next step as soon as we can. Please contact FCA Redacted Content for any questions. If no response in 15 minutes, proceed with repair.
- [21\-009\-20](/bulletins/10173360.md), 2020-04-06, Service bulletin: POWER TRAIN; AIR BAGS; TRAILER HITCHES; WHEELS; EXTERIOR LIGHTING; BACK OVER PREVENTION; ELECTRICAL SYSTEM. Flash: Transmission Control Module \(TCM\) Updates This bulletin involves reprogramming the TCM with the latest available software. Some customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find one or more of the following DTCs: P1DDE\-00 \- Ignition Run\-Start Input 1\-2 Correlation\(Sales Code DFR Only\). P1DF3\-00 \- ECU Not Initialized\(Sales Code DFR Only\). P0733\-00 \- Gear 3 Shift Incorrect Ratio \(while operating in 4\-Lo range\). P0716\-00 \- Input Shaft Speed Sensor 1 Performance. P0721\-00 \- Output Shaft Speed Sensor Circuit Performance. P1DB6\-00 \- Vehicle Speed Signal Performance. P1DAB\-00 \- Vehicle Speed Undetermined. P215C\-00 \- Output Shaft Speed Wheel Speed Correlation. P0607\-00 \- ECU Internal Performance. P1DAC\-00\-Engine Speed Undetermined. P07BF\-00 \- Input/Turbine Shaft Speed Sensor 1 Circuit Low. P07C0\-00 \- Input/Turbine Shaft Speed Sensor 1 Circuit High. P077C\-00 \- Output Shaft Speed Sensor Circuit Low. P077D\-00 \- Output Shaft Speed Sensor Circuit High. P177F\-00 \- Output Shaft Speed Sensor Out Of Range High. P1778\-00 \- Input\-Turbine Shaft Speed Sensor A Out Of Range High. P0731\-00 \- Gear 1 Shift Incorrect Ratio. P0979\-00 \- Shift Solenoid 3 Control Circuit Low. P1DCD\-00\-TCM Monitoring Processor Performance Multiple Clutches Locked Up. In addition, the following software enhancements are also available:Auto\-start Improvements. Low speed coast down bump improvements. Tip in bump improvements. Bump during tow/haul high throttle acceleration. Gear hunting during cruise resume. Gear hunting during uphill trailer tow. Cruise control under\-speed during uphill trailer tow. Gear hunting during highway speed operation. Hang in gear when driver desires earlier upshift/lower engine speed operation. Coast\-down downshift improvements for 6\-5, 5\-4 and 4\-3. Coast\-down downshift improvements for 2\-1. Cold temperature downshift improvements for 6\-5 and 4\-3. Cold temperature upshift improvements for 1\-2, 2\-3, 3\-4

JSON: [/v1/bulletins/10221298](/v1/bulletins/10221298)

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