Jeep B1DB2
Left Power Side Step Motor - Circuit Open / B1DB3-13 - Right Power Side Step Motor - Circuit Open B1DB4-39 - Left Power Side Step Posi
Quick answer
For a 2026 Jeep Wagoneer in the US, DTC B1DB2-13 is identified in an official Jeep/NHTSA manufacturer communication as a Left Power Side Step Motor circuit-open fault. The communication concerns power side steps/running boards that may be stuck or inoperative.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
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1. What does B1DB2 mean?
For a 2026 Jeep Wagoneer in the US, DTC B1DB2-13 is identified in an official Jeep/NHTSA manufacturer communication as a Left Power Side Step Motor circuit-open fault. The communication concerns power side steps/running boards that may be stuck or inoperative.
2. Technical explanation
The verified manufacturer communication lists B1DB2-13 as: “Left Power Side Step Motor - Circuit Open.” It also references B1DB3-13 for the right power side step motor circuit-open condition and B1DB4-39 for a left power side step position-related condition, although the supplied evidence truncates the full B1DB4-39 description.
3. What system is affected?
Power side steps / running boards, specifically the left power side step motor circuit.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
- Power side steps/running boards may not work properly.
- Power side steps/running boards may be stuck.
- Power side steps/running boards may be inoperative.
6. Possible causes
- A circuit-open condition associated with the left power side step motor is identified by DTC B1DB2-13. The underlying physical cause is not yet established by verified evidence.
7. Can I still drive the vehicle?
Not yet established by verified evidence.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- Arrange diagnosis by an authorized Jeep service provider or other qualified automotive technician.
- Use caution around a side step that is stuck or operating improperly.
10. Step-by-step troubleshooting
- Confirm the stored diagnostic code with a suitable scan tool.
- Refer the vehicle for diagnosis of the left power side step motor circuit-open condition. Specific diagnostic test steps are not established by the supplied verified evidence.
11. When to contact service
Contact a Jeep dealer or qualified service provider for diagnosis of B1DB2-13 and any power side step/running-board malfunction.
12. What the service center may check
- Verify DTC B1DB2-13 and inspect the power side step/running-board concern. Further specific checks are not established by verified evidence.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- Jeep Wagoneer · 2026 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication 11033960 / Jeep communication 9100818, published June 9, 2026. It covers power side steps/running boards that are not working properly, stuck, or inoperative in connection with B1DB2-13, B1DB3-13, and B1DB4-39.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified applicability: 2026 Jeep Wagoneer, US. Official source: NHTSA Manufacturer Communication 11033960, Jeep communication 9100818: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2025-2026.zip#nhtsa_id=11033960
- NHTSA: NHTSA Manufacturer Communication 11033960: 9100818 · official_tsb
19. Frequently asked questions
What does Jeep code B1DB2-13 mean?
The verified manufacturer communication identifies B1DB2-13 as “Left Power Side Step Motor - Circuit Open.”
What problems may occur with B1DB2-13?
The official communication states that power side steps/running boards may not work properly, may be stuck, or may be inoperative.
Which vehicle is verified for this code information?
The supplied verified applicability data identifies the 2026 Jeep Wagoneer in the US.
Is B1DB2-13 covered by a recall?
Not yet established by verified evidence.