# Service bulletin 1802522REVB

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: 10225386
- Published by NHTSA: 2022\-10\-31
- Manufacturer's number: 1802522REVB
- Manufacturer's date: 2022\-08\-03
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## NHTSA's summary

Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation, a technician may find that one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: P0325 \- Knock Sensor 1 Circuit. P0601 \- Internal Memory Checksum Invalid. B1040\-64 \- Operational Mode Status Info 1 \- Signal Plausibility Failure. Customers may experience one or more of the following:Adaptive cruise is inoperative. Remote start is inoperative.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10225386-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10225386-9999.pdf)

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

## Components

Transmission and driveline, Automatic transmission, Transmission control module

## Trouble codes named

B1040, P0325, P0601

## Vehicles listed

- 2022 RAM PROMASTER

JSON: [/v1/bulletins/10225386](/v1/bulletins/10225386)

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