# Service bulletin 1806417

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: 10224759
- Published by NHTSA: 2022\-10\-24
- Manufacturer's number: 1806417
- Manufacturer's date: 2017\-08\-25
- NHTSA component: EXTERIOR LIGHTING; ELECTRICAL SYSTEM; POWER TRAIN

## NHTSA's summary

Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that the following DTCs has been set:U1424 \- Implausible Engine Torque Signal Received. U0402 \- Implausible Data Received From TCM. P1DD2\-00 \- Torque Request Signal From TCM Denied. P0128 \- Thermostat Rationality. Enhancement also included:Improved calibrations for catalyst overtemp protection.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10224759-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10224759-9999.pdf)

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

## Components

Electrical system, Lighting, Transmission and driveline

## Trouble codes named

P0128, P1DD2, U0402, U1424

## Vehicles listed

- 2017 RAM PROMASTER CITY

## Other bulletins for the same vehicles and component

- [21\-040\-25](/bulletins/11024056.md), 2025-10-08, Service bulletin: POWER TRAIN. 948TE Transmission Reaction Shaft Service Bushing Kit Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code \(DTC\): ● P1DB7\-00 \- Torque Converter Clutch Performance.
- [S1408000384](/bulletins/10251783.md), 2024-03-18, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [9100226](/bulletins/10248509.md), 2024-01-08, Service bulletin: ELECTRICAL SYSTEM. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
- [9100226](/bulletins/10244348.md), 2023-10-30, Service bulletin: ELECTRICAL SYSTEM:WIRING. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
- [S1408000384](/bulletins/10234420.md), 2023-04-17, Service bulletin: ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [09\-003\-23](/bulletins/10231800.md), 2023-02-13, Service bulletin: SERVICE BRAKES; EXTERIOR LIGHTING. 2.4L Excessive Oil Consumption XB1 Warranty Extension The customer may describe one or more of the following: Oil pressure low indicator lamp illumination between oil changes. Excessive oil consumption. This bulletin involves performing an oil consumption verification test and possibly replacing the long block.
- [S2108000163](/bulletins/10230183.md), 2023-01-17, Service bulletin: ELECTRICAL SYSTEM. No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration
- [S1708000118](/bulletins/10229041.md), 2023-01-09, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
- [2101717](/bulletins/10224760.md), 2022-10-24, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Flash: Transmission Diagnostic and Shift Enhancements This bulletin involves reprogramming the Transmission Control Module \(TCM\) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find the following DTC:P0887 \- TCM Power Control Circuit High. Enhancement also included:Improved calibrations for gear shifts.
- [S2008000088](/bulletins/10223550.md), 2022-10-17, Service bulletin: ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. Replacement BCM Will Not Proxi Align

JSON: [/v1/bulletins/10224759](/v1/bulletins/10224759)

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