NHTSA service bulletin

NHTSA Service Bulletin 11007660: 2022 Jeep Grand Cherokee

Official manufacturer communication context for 2022 Jeep Grand Cherokee, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 11007660 summary graphic for 2022 Jeep Grand Cherokee
11007660NHTSA document ID
Manufacturer communicationcommunication type
1affected product rows
92/100quality 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 must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): P2066 - Fuel Level Sensor 2 Performance. Customers may experience one or more of the following: When the driver attempts to override the Electric Park Brake (EPB) while it remains engaged due to an unbuckled seatbelt in Drive or Reverse, the high torque request with the park brake engaged may lead to a damaged or broken Rear Drive Unit (RDU). MIL illuminates when fueling the vehicle while the engine is running. ** Lower fuel economy reported by the Instrument Panel Cluster (IPC). Rough engine idle during warm up. Vehicle turns off while idling in park. 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 Cherokee2022Ask 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 11007660?

"Flash: Powertrain Control Module (PCM) Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): P2066 - Fuel Level Sensor 2 Performance. Customers may experience one or more of the following: When the driver attempts to override the Electric Park Brake (EPB) while it remains engaged due to an unbuckled seatbelt.

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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