# Service bulletin 08\-201\-26

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: 11032652
- Published by NHTSA: 2026\-05\-13
- Manufacturer's number: 08\-201\-26
- Manufacturer's date: 2026\-05\-05
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Flash: Electronic Vehicle Control Unit \(EVCU\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● P061B\-00 \- Internal Conttrol Module Torque Calculation Performance. ● P1444\-00 \- Power Inverter Module \- Incorrect Control Mode. ● P1E18\-00 \- Internal Control Module Electronic Park Performance. Customers may experience the following: ● At start up, the vehicle will shut down. ● At start up, the vehicle will not start This bulletin involves reprogramming the EVCU with the latest available software.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032652-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032652-9999.pdf)

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

## Components

Electrical system

## Trouble codes named

P061B, P1444, P1E18

## Vehicles listed

- 2024 RAM PROMASTER

JSON: [/v1/bulletins/11032652](/v1/bulletins/11032652)

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