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Service bulletins for the 2021 Jeep Cherokee

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.

256 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
752672022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS; ENGINE AND ENGINE COOLING:COOLING SYSTEM. TUBE - TURBO WATER FEED
752272022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ENGINE AND ENGINE COOLING. MUFFLER AND TAILPIPE ? EXHAUST
S1809000007 Rev.2021-06-28. Service bulletin. ENGINE AND ENGINE COOLING. Customer Complaint May Include Engine Oil Leak Or Consumption
S1809000007 Rev.2021-04-26. Service bulletin. ENGINE AND ENGINE COOLING. Customer complaint may include engine oil leak/consumption.
90033572021-04-26. Service bulletin. ENGINE AND ENGINE COOLING. ADAPTER, Engine Oil Filter (Pentastar V6) All vehicles equipped with a 3.2L or 3.6L except for model year 2014 vehicles with leak concern: 1) Ensure the Oil Filter Adapter (OFA) Cap O-ring is seated in the proper groove in the cap and not damaged or cut. 2) If replacing the (OFA) due to a leak detected between (OFA) and block. Ensure the torque on the 5 bolts are torqued to 12nm. If not record the actual values, torque to 12nm and contact the FCA employees listed below. 3) Remove the (OFA) and replace the O-ring and gaskets only (Kit #68191356A$), NOT THE OFA. 4) If oil was drained, add oil dye to ensure the leak is repaired. For model year 2014 vehicles replace the Oil Filter Adaptor. 5) When replacing PN's 68310865A$ & 68308741A$, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.
S2108000002 Rev.2021-03-15. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. In Cold Temperatures The Customer May Complain Of An Intermittent No Crank, Cranks And Stalls, Stops Cranking Fails To Start
S2108000002 Rev.2021-03-15. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. In Cold Temperatures The Customer May Complain Of An Intermittent No Crank, Cranks And Stalls, Stops Cranking Fails To Start
90043522021-03-15. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. RELAY, Micro **This applies to the 2020 KL and 2021 KL Only!!** Owner reports in colder temperatures the vehicle may exhibit a No Start or and/or a Start and Stall fail to Start condition. Vehicle will start normally when PDC or vehicle is warmed up. This symptom may also be accompanied by DTC P1279 -STARTER CONTROL CIRCUIT 2 OPEN. Refer to SOL Publication S2108000002 REV B to ensure it is applicable to the vehicle prior to moving forward. For SOL S2108000002 REV B, the Denso 68406797AA may not be available / may be on Backorder. In the event 68406797AA is on backorder, another validated Denso relay to use is 68244159AA. Quantities for this relay are limited, we kindly request to only order on an as needed basis until mid March 2021 so customer vehicles currently exhibiting this issue can be repaired. CAUTION: Denso relay part number 68244159AA can only be used in the Run/Start relay location. Premature relay failure will occur if used in other locations. Other locations require relays which can handle higher duty cycle requirements. Note: Only the Run/Start relay will require replacement for the issue identified in S2108000002 REV B. No other Song Chuan relays should be replaced for this condition.
S2108000002 Rev.2021-02-16. Service bulletin. ENGINE AND ENGINE COOLING. In Extremely Cold Temperatures The Customer May Complain Of An Intermittent No Crank, Cranks And Stalls, Stops Cranking Fails To Start
S21080000022021-02-16. Service bulletin. ENGINE AND ENGINE COOLING. In Extremely Cold Temperatures The Customer May Complain Of An Intermittent No Crank, Cranks And Stalls, Stops Cranking Fails To Start
S20180000122020-12-28. Service bulletin. ELECTRICAL SYSTEM; ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). 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.
S20180000122020-12-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). 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.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.