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Jeep B1D9B

Seat Horizontal Front Stop Not Learned-Missing Calibration

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact an authorized Jeep service provider for diagnosis of B1D9B-54 and the seat memory-profile no-response condition.
Confidence95%

Quick answer

B1D9B indicates: Seat Horizontal Front Stop Not Learned—Missing Calibration. Verified evidence links it to a seat that does not respond when memory-seat profiles are pressed from the switch.

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 B1D9B mean?

B1D9B indicates: Seat Horizontal Front Stop Not Learned—Missing Calibration. Verified evidence links it to a seat that does not respond when memory-seat profiles are pressed from the switch.

2. Technical explanation

The verified manufacturer communication identifies DTC B1D9B-54 as “Seat Horizontal Front Stop Not Learned—Missing Calibration.” The communication describes a condition in which the seat does not work or does not respond when memory-seat profiles are selected using the switch.

3. What system is affected?

Seat memory/profile operation and seat horizontal front-stop calibration.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • The seat does not work.
  • There is no response from the seat when pressing memory-seat profiles from the switch.
  • DTC B1D9B-54 may be stored.

6. Possible causes

  • Missing calibration of the seat horizontal front stop is indicated by the DTC description.

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

  • Avoid assuming the condition has a verified effect on driving or charging; neither is established by the supplied evidence.
  • Arrange diagnosis through an authorized Jeep service provider if the seat or memory-seat profile function does not respond.

10. Step-by-step troubleshooting

  1. Confirm whether the seat responds when a memory-seat profile is selected from the switch.
  2. Have a service provider retrieve and document the stored DTC, including whether it is reported as B1D9B-54.
  3. Do not attempt unverified seat calibration or repair procedures based on this evidence alone.

11. When to contact service

Contact an authorized Jeep service provider for diagnosis of B1D9B-54 and the seat memory-profile no-response condition.

12. What the service center may check

  • Verify the reported seat-memory symptom: no seat response when pressing memory-seat profiles from the switch.
  • Check for DTC B1D9B-54, identified as Seat Horizontal Front Stop Not Learned—Missing Calibration.
  • Use applicable manufacturer service information to evaluate the missing-calibration condition.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication 11030266, S2608000015, published March 19, 2026. It identifies the condition: “Seat Does Not Work There Is No Response from The Seat While Pressing the Memory Seat Profiles from the Switch” with DTC B1D9B-54, Seat Horizontal Front Stop Not Learned—Missing Calibration.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified official source: NHTSA Manufacturer Communication 11030266: S2608000015, published March 19, 2026. https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2025-2026.zip#nhtsa_id=11030266

19. Frequently asked questions

What does Jeep code B1D9B mean?

The verified description is “Seat Horizontal Front Stop Not Learned—Missing Calibration.”

What symptom is associated with B1D9B-54?

The verified manufacturer communication describes no response from the seat when memory-seat profiles are pressed from the switch; it also states that the seat does not work.

Which vehicles are covered by the supplied applicability evidence?

The supplied evidence applies to US-market 2022–2026 Jeep Grand Cherokee and 2022–2026 Jeep Wagoneer vehicles.

Is it safe to drive or charge with B1D9B?

Not yet established by verified evidence.

20. Sources & verification

Verified
Jeep B1D9B: Seat Horizontal Front Stop Not Learned-Missing Calibration | EV Diagnostics