# Service bulletin 9004253

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: 10175617
- Published by NHTSA: 2020\-05\-26
- Manufacturer's number: 9004253
- Manufacturer's date: 2020\-04\-15
- NHTSA component: TRAILER HITCHES

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10175617-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10175617-9999.pdf)

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

## Components

Trailer hitch

## Trouble codes named

U0137

## Vehicles listed

- 2019 to 2020 RAM 1500
- 2019 to 2020 RAM 2500
- 2019 to 2020 RAM 3500

## Other bulletins for the same vehicles and component

- [S2023000018](/bulletins/10229305.md), 2023-01-09, Service bulletin: LANE DEPARTURE; BACK OVER PREVENTION; TRAILER HITCHES; VISIBILITY. Trailer Detection For Heavy Duty Truck \- Blind Spot And Trailer Merge Assist
- [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
- [2301620](/bulletins/10223578.md), 2022-10-17, Service bulletin: TRAILER HITCHES. 5th Wheel/Gooseneck Trailer Hitch Does Not Fit
- [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
- [W18](/bulletins/10221857.md), 2022-09-26, Service bulletin: TRAILER HITCHES. Customer Satisfaction Notification W18 Front Tow Hooks
- [S2023000018](/bulletins/10221735.md), 2022-09-26, Service bulletin: BACK OVER PREVENTION; TRAILER HITCHES. Trailer Detection For Heavy Duty Truck \- Blind Spot And Trailer Merge Assist
- [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
- [S2108000022RevA](/bulletins/10221298.md), 2022-09-26, Service bulletin: TRAILER HITCHES. Service Trailer Brake Warning Message Displayed On The Cluster
- [0806121](/bulletins/10221206.md), 2022-09-26, Service bulletin: LANE DEPARTURE; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE; BACK OVER PREVENTION; TRAILER HITCHES; ELECTRICAL SYSTEM. Flash: Parktronics \(PTS\) Enhancements This bulletin involves reprogramming the PTS module with the latest software available. Customers may experience one or more of the following:False front object detection warning when a trailer is connected to the vehicle. Chime sounds when backing away from an object in front of the vehicle. Park assist system latches off when a trailer or snow plow is disconnected during the same key cycle. The system disabled message will still be displayed and the system will be turned off until a new key cycle.
- [S2108000022](/bulletins/10215896.md), 2022-07-18, Service bulletin: LANE DEPARTURE; TRAILER HITCHES. Service Trailer Brake Warning Message Displayed On The Cluster

JSON: [/v1/bulletins/10175617](/v1/bulletins/10175617)

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