NHTSA service bulletin

NHTSA Service Bulletin 11006243: 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.

NHTSA service bulletin 11006243 summary graphic for 2023 Jeep Grand Wagoneer
11006243NHTSA document ID
Manufacturer communicationcommunication type
2affected product rows
90/100quality score

Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.

Quick answer

"Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: **P00F3-00 - Humidity Sensor Circuit Range-performance.** P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off. P0461-00 - Fuel Level Sensor ""A"" Circuit Range/Performance. P051B-00 - Crankcase Pressure Sensor Circuit Range/Performance. P2F64-00 - Ion Sense Feedback Circuit A. P0331-00 - Knock Sensor 2 Circuit Range/Performance. P0300-00 - Multiple Cylinder Misfire. P2C90-00 - Crankcase Ventilation System - Hose ""A"" Disconnected. P0011-00 - Bank 1 Camshaft 1 Position Timing Over Advanced Or System Performance. P0604-00 - Internal Control Module Random Access Memory Ram Error. P060C-00 - Internal Control Module Main Processor Performance. **Customers may also comment on the following: Undesirable vehicle drivability behavior causing the a Shift to Park event during Engine Stop Start (ESS) while Adaptive Cruise Control (ACC) is active. Pressing ACC button while ESS active can shift the vehicle to park. Idle speed oscillations observed when in Snow and Mud modes. Poor engine performance (undershoots engine speed) for ESS and for non-ESS engine start. Screen two incorrectly pops up on the Instrument Cluster Panel (IPC) for 5 seconds during Terrain and Rock mode. Vehicle performance complaints when coasting at lower speeds.** This bulletin involves reprogramming the PCM with the latest available software."

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

MakeModelModel yearsBuyer note
JeepGrand Wagoneer2023Ask for service records and run the exact VIN before purchase.
JeepWagoneer2023Ask for service records and run the exact VIN before purchase.

Buyer checklist

  1. Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
  2. Check recall campaign pages for safety actions that may require dealer repair.
  3. Compare this bulletin with common problem pages for the same model and component area.
  4. Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
  5. Use the used-car buying checklist and get an independent inspection.

Frequently asked questions

What is NHTSA service bulletin 11006243?

"Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: **P00F3-00 - Humidity Sensor Circuit Range-performance.** P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. P06DD-00 - Engine Oil Pressure Control Circuit.

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.

Get Full Report