NHTSA service bulletin

NHTSA Service Bulletin 11033960: 2026 Jeep Grand Wagoneer

Official manufacturer communication context for 2026 Jeep Grand Wagoneer, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 11033960 summary graphic for 2026 Jeep Grand Wagoneer
11033960NHTSA document ID
Manufacturer communicationcommunication type
2affected product rows
2source rows grouped

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

Power Side-Steps/Running Boards not working properly, stuck or inoperable due to DTCs: B1DB2-13 - Left Power Side Step Motor - Circuit Open / B1DB3-13 - Right Power Side Step Motor - Circuit Open B1DB4-39 - Left Power Side Step Position Sensor - Signal Has Too Few Pulses / B1DB5-39 - Right Power Side Step Position Sensor - Signal Has Too Few Pulses Please do not replace the motors or the module if you're seeing this DTCs coming up Write/record the DTCs in the narrative Please refer to the DTC service manuals available in the Service Library to root cause and repair accordingly

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 Wagoneer2026Ask for service records and run the exact VIN before purchase.
JeepWagoneer2026Ask 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 11033960?

Power Side-Steps/Running Boards not working properly, stuck or inoperable due to DTCs: B1DB2-13 - Left Power Side Step Motor - Circuit Open / B1DB3-13 - Right Power Side Step Motor - Circuit Open B1DB4-39 - Left Power Side Step Position Sensor - Signal Has Too Few Pulses / B1DB5-39 - Right Power Side Step Position Sensor - Signal Has Too Few Pulses Please do not replace the motors or the module if you're seeing.

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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