# Service bulletin 9004335

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: 10224003
- Published by NHTSA: 2022\-10\-17
- Manufacturer's number: 9004335
- Manufacturer's date: 2020\-11\-25
- NHTSA component: POWER TRAIN

## NHTSA's summary

Turbocharger If the turbo is being replaced for an oil leak concern, please inspect the area around the turbo oil feed o\-ring for a leak. The o\-ring is serviced separately and complete turbo replacement may not be necessary.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10224003-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10224003-9999.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- 2017 to 2020 ALFA ROMEO GIULIA
- 2018 to 2020 ALFA ROMEO STELVIO
- 2019 to 2020 JEEP CHEROKEE
- 2018 to 2020 JEEP WRANGLER

## Recalls for the same vehicles and component

- [2026224](/recalls/tc/2026224.md), 2026-05-07: Powertrain
- [26V290000](/recalls/nhtsa/26V290000.md), 2026-05-07: POWER TRAIN
- [2025012](/recalls/tc/2025012.md), 2025-01-16: Powertrain
- [25V011000](/recalls/nhtsa/25V011000.md), 2025-01-16: POWER TRAIN
- [2023089](/recalls/tc/2023089.md), 2023-02-23: Powertrain
- [23V116000](/recalls/nhtsa/23V116000.md), 2023-02-23: POWER TRAIN:CLUTCH ASSEMBLY
- [2021035](/recalls/tc/2021035.md), 2021-01-28: Powertrain
- [21V028000](/recalls/nhtsa/21V028000.md), 2021-01-28: POWER TRAIN:CLUTCH ASSEMBLY
- [2020083](/recalls/tc/2020083.md), 2020-03-03: Powertrain
- [20V124000](/recalls/nhtsa/20V124000.md), 2020-03-03: POWER TRAIN:CLUTCH ASSEMBLY

## Other bulletins for the same vehicles and component

- [S2621000004](/bulletins/11038329.md), 2026-10-07, Service bulletin: POWER TRAIN. The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward Transmission Engagement. The Tech May Find Damaged and/or Worn Transmission Output Shaft Splines \(850RE Transmission Only\)
- [03\-001\-26](/bulletins/11035038.md), 2026-07-18, Service bulletin: POWER TRAIN. Unable to Complete 01C Recall Drive Cycle C14A7\-97 Active Technicians may experience the following: SYMPTOM: ● After performing Recall 01C, the vehicle may get a 'Service AWD' message on the EVIC.
- [18\-062\-26](/bulletins/11034358.md), 2026-07-02, Service bulletin: ENGINE; POWER TRAIN. 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 \(DTCs\): ● \*\*P0420 \- Catalyst System Efficiency Below Threshold Bank 1. ● P0430 \- Catalyst System Efficiency Below Threshold Bank 2.\*\* ● P0456 \- EVAP System Small Leak. Customers may also comment on one or more of the following: ● \*\*Vehicle fails emissions inspection testing.\*\* ● Pinging/detonation sound from the engine after warm up at 1000\-1500 RPM at low speed. \(EMEA and APAC Only\). ● The vehicle stalls at low speeds and/or coming to a stop This bulletin involves reprogramming the PCM with the latest available software.
- [14082](/bulletins/11031348.md), 2026-04-15, Warranty extension: POWER TRAIN. \(XX1\) Two Speed Power Transfer Unit \(PTU\) \- Select 2017 \- 2019 Jeep Cherokee \(KL\)
- [14081](/bulletins/11031347.md), 2026-04-15, Warranty extension: POWER TRAIN. \(XX1\) Two Speed Power Transfer Unit \(PTU\) \- Select 2017 \- 2019 Jeep Cherokee \(KL\)
- [14079](/bulletins/11031346.md), 2026-04-15, Warranty extension: POWER TRAIN. \(XX1\) Two Speed Power Transfer Unit \(PTU\) \- Select 2017 \- 2019 Jeep Cherokee \(KL\)
- [14078](/bulletins/11031345.md), 2026-04-15, Warranty extension: POWER TRAIN. \(XX1\) Two Speed Power Transfer Unit \(PTU\) \- Select 2017 \- 2019 Jeep Cherokee \(KL\)
- [111447](/bulletins/11031344.md), 2026-04-15, Warranty extension: POWER TRAIN. ID\-26\-19 \(XX1\) Two Speed Power Transfer Unit \(PTU\) \- Select 2017 \- 2019 Jeep Cherokee \(KL\)
- [111432](/bulletins/11031343.md), 2026-04-15, Warranty extension: POWER TRAIN. D\-26\-10 \(XX1\) Two Speed Power Transfer Unit \(PTU\) \- Select 2017 \- 2019 Jeep Cherokee \(KL\)
- [21\-027\-26 REV. A](/bulletins/11031328.md), 2026-04-15, Service bulletin: POWER TRAIN. Two Speed Power Transfer Unit Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code \(DTC\): ? C1494\-07 \- PTU Fork Position\-Mechanincal Failures. Customers m

JSON: [/v1/bulletins/10224003](/v1/bulletins/10224003)

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