WenmarOpen by Wenmar Pro

Service bulletin S2108000156

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 id10221304
Published by NHTSA2022-09-26
Manufacturer's numberS2108000156
Manufacturer's date2021-06-26
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

NHTSA's summary

CEL (Check Engine Lamp) On, DTC Turbocharger Wastegate Control Circuit Low

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

Engine, Turbocharger or supercharger

Vehicles listed
JEEP WRANGLER2021

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.
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.
S20180000092020-09-28. Service bulletin. 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.