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Service bulletin S2018000009

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10180217
Published by NHTSA2020-09-28
Manufacturer's numberS2018000009
Manufacturer's date2020-08-17
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ELECTRICAL SYSTEM

NHTSA's summary

Malfunction Indicator Lamp (MIL) Illuminated. Diagnostic Trouble Codes (DTCs) P00AF ? Turbocharger Boost Control Module ?A? Performance and/or P226C ? Turbocharger Boost Control Module ?A? Slow Response.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Engine, Turbocharger or supercharger

Trouble codes named

P00AF, P226C

Vehicles listed
JEEP GLADIATOR2021
JEEP WRANGLER2020, 2021
RAM 15002020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
08073212023-01-17. Service bulletin. PHEV Ready Telltale This bulletin is to communicate that a customer may report the vehicle does not start with any warning indicators. A technician can not confirm any faults even if they can duplicate the reported concern.
S21080001562022-09-26. Service bulletin. CEL (Check Engine Lamp) On, DTC Turbocharger Wastegate Control Circuit Low
90043352020-12-28. Service bulletin. 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.
S20180000122020-12-21. Service bulletin. Check engine lamp on. Fault code P0244- TURBOCHARGER/SUPERCHARGER WASTEGATE SOLENOID "A" RANGE/PERFORMANCE is set in the Powertrain Control Module (PCM a.k.a. ECM) after the turbocharger assembly has been replaced.
90043352020-12-21. Service bulletin. 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.