# Service bulletin 18\-014\-25

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: 11015633
- Published by NHTSA: 2025\-03\-17
- Manufacturer's number: 18\-014\-25
- Manufacturer's date: 2025\-03\-11
- NHTSA component: POWER TRAIN
- Manufacturer's system: Powertrain Control Module

## NHTSA's summary

"Flash: Powertrain Control Module \(PCM\) Updates \*\*Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● P0300 \- Multiple Cylinder Misfire \(NA Market Only\).\*\* ● P0335 \- Crankshaft Position Sensor Circuit. Customers may also comment on one or more of the following: ● Rough running engine This bulletin involves reprogramming the PCM with the latest available software."

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11015633-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11015633-9999.pdf)

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

## Components

Transmission and driveline

## Trouble codes named

P0300, P0335

## Vehicles listed

- 2022 ALFA ROMEO GIULIA

JSON: [/v1/bulletins/11015633](/v1/bulletins/11015633)

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