NHTSA Service Bulletin 11018221: 2024, 2025 Jeep Wrangler
Official manufacturer communication context for 2024, 2025 Jeep Wrangler, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.
Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.
Multiple Systems Repair Bundle Campaign 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): P0133 - O2 Sensor 1/1 Slow Response. P2251 - O2 Sensor 1/1 Negative Current Control Circuit/Open. P0131 - O2 Sensor 1/1 Circuit Low. P2626 - O2 Sensor 1/1 Pump Cell Current Trim Circuit/Open. P0607 - ECU Internal Performance. C140A - Transfer Case Motor Control. P02EE - Cylinder 1 injector Circuit Performance. P02EF - Cylinder 2 injector Circuit Performance. P02F0 - Cylinder 3 Injector Circuit Performance. P02F1 - Cylinder 4 Injector Circuit Performance. U0109 - Lost Communication With Fuel Pump Control Module. P0330 - Knock Sensor 2 Circuit. P023B - Charge Air Cooler Coolant Pump "A" Control Circuit Low. P2110 - Electronic Throttle Control - Forced Limited RPM. Customers may also experience one or more of the following: **The electronic throttle inspection required indicator illuminates on the Instrument Panel Cluster (IPC).** Seatbelt warning light and warning sound do not go off even when the passenger seat belt is fastened. Coolant leak from under the long life coolant reserve tank. Fuel cap strap broken. Door not opening / hard to open for both right side doors. Lumber switch inoperative. Right front seat cover stitch is tore out. Header seal deformation. This bulletin involves performing multiple inspections and repairs based on the listed Customer Symptoms.
What this bulletin may mean before buying
Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.
Affected products listed in this communication
Buyer checklist
- Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
- Check recall campaign pages for safety actions that may require dealer repair.
- Compare this bulletin with common problem pages for the same model and component area.
- Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
- Use the used-car buying checklist and get an independent inspection.
Frequently asked questions
What is NHTSA service bulletin 11018221?
Multiple Systems Repair Bundle Campaign 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): P0133 - O2 Sensor 1/1 Slow Response. P2251 - O2 Sensor 1/1 Negative Current Control Circuit/Open. P0131 - O2 Sensor 1/1 Circuit Low. P2626 - O2 Sensor 1/1 Pump Cell Current Trim Circuit/Open. P0607 - ECU.
Is a service bulletin the same as a recall?
No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.
How should a used-car buyer use this bulletin?
Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.
Check the exact VIN before you buy
Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.
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