# Service bulletin 18\-104\-22

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: 10214639
- Published by NHTSA: 2022\-06\-27
- Manufacturer's number: 18\-104\-22
- Manufacturer's date: 2022\-05\-26
- NHTSA component: POWER TRAIN

## 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 the technician may find that one or more of the following DTCs have been set: P0556 \- Brake Booster Pressure Sensor Circuit Performance. P0340 \- Cam Position Sensor Circuit \- Bank 1 Intake. P0345 \- Cam Position Sensor Circuit \- Bank 2 Intake. P0365 \- Cam Position Sensor Circuit \- Bank 1 Exhaust. P0390 \- Cam Position Sensor Circuit \- Bank 2 Exhaust. Customer may describe the following:Fuel odor during frequent stop and re\-start driving, during high ambient temps. The following software enhancements are also available: OBD calibration turned off DTC U0463 \- Fuel Level Implausiblemessage code and will now be detected withDTC P0463 \- Fuel Level Sensor 1 Circuit High. More robust trailer brake module enhancements for 3rd party aftermarket designs. Cam/crank diagnostic has been turned from a 1\-trip to a 2\-trip MIL. Change fuel level legislative reporting from a voltage to a percent scale.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10214639-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10214639-9999.pdf)

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

## Components

Transmission and driveline

## Trouble codes named

P0340, P0345, P0365, P0390, P0463, P0556, U0463

## Vehicles listed

- 2019 RAM PROMASTER

JSON: [/v1/bulletins/10214639](/v1/bulletins/10214639)

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