NHTSA Service Bulletin 11030253: 2023 Jeep Grand Wagoneer
Official manufacturer communication context for 2023 Jeep Grand Wagoneer, 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.
Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): **P0111-00 - Intake Air Temperature Sensor 1 Circuit Range Performance Bank 1. (In Active or Stored status) P0071-00 - Ambient Air Temperature Sensor Performance. (In Active or Stored status) P0072-00 - Ambient Air Temperature Sensor Circuit "A" Low. (In Active or Stored status) P0073-00 - Ambient Air Temperature Sensor Circuit "A" High. (In Active or Stored status) P0011-00 - Bank 1 Camshaft 1 Position Timing Over Advanced Or. (In Active or Stored status) P25E4-00 - B Camshaft Position - Unable To Achieve Locked Position Bank 1. (In Active or Stored status) P06DD-00 - Engine Oil Pressure Control Circuit Performance/stuck Off. (In Active or Stored status) P05BD-00 - Stop-Start Mode Switch Range/Performance. (In Active or Stored status) P0116-00 - Engine Coolant Temperature Sensor 1 Performance. (In Active or Stored status) P062B-00 - Internal Control Module Fuel Injector Control Performance. (In Active or Stored status) P018B-00 - Fuel Pressure Sensor "B" Circuit Range/Performance. (In Active or Stored status)** U0104-00 - Lost Communication With Cruise Control Module. (NA Market Only)**(In Active or Stored status)** U0405-00 - Invalid Data Received From Cruise Control Module. (NA Market Only)**(In Active or Stored status)** P018B-00 - Fuel Pressure Sensor "B" Circuit Range/Performance. **(In Active or Stored status)** P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking Bank 1. **(In Active or Stored status)** P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off. **(In Active or Stored status)** P0461-00 - Fuel Level Sensor "A" Circuit Range/Performance. **(In Active or Stored status)** P2C90-00 - Crankcase Ventilation System - Hose "A" Disconnected. **(In Active or Stored status)** P0604
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 11030253?
Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): **P0111-00 - Intake Air Temperature Sensor 1 Circuit Range Performance Bank 1. (In Active or Stored status) P0071-00 - Ambient Air Temperature Sensor Performance. (In Active or Stored status).
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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