Jeep B187F
2A Rear Climate Control Button Stuck, may be present in the Rear HVAC Module. Inspect Rear HVAC Controller: 1. Remove the rear HVAC control
Quick answer
For a 2025–2026 Jeep Wagoneer in the US, DTC B187F-2A is documented as “Rear Climate Control Button Stuck” and may be present in the Rear HVAC Module. The verified manufacturer communication directs inspection of the rear HVAC controller.
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 B187F mean?
For a 2025–2026 Jeep Wagoneer in the US, DTC B187F-2A is documented as “Rear Climate Control Button Stuck” and may be present in the Rear HVAC Module. The verified manufacturer communication directs inspection of the rear HVAC controller.
2. Technical explanation
Verified evidence identifies B187F-2A as a rear climate-control button-stuck condition. The official communication says customers may report that rear HVAC buttons are not working or are sticking, and that the code may be stored in the Rear HVAC Module. The supplied evidence begins an inspection procedure with removal of the rear HVAC control; further diagnostic or repair steps are not established by the supplied verified evidence.
3. What system is affected?
Rear HVAC controls / Rear HVAC Module.
4. How serious is this code?
Unknown. The supplied verified evidence does not assign a severity level.
5. Symptoms you may notice
- Rear HVAC buttons may not work.
- Rear HVAC buttons may stick.
- B187F-2A may be present in the Rear HVAC Module.
6. Possible causes
- A stuck rear climate-control button is established by the DTC description. A specific underlying component failure or root 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 inspection of the rear HVAC controller by a qualified service facility.
- Record whether the rear HVAC buttons are sticking or not working and whether the concern is intermittent or constant.
10. Step-by-step troubleshooting
- Use a scan tool to determine whether B187F-2A is present in the Rear HVAC Module.
- Inspect the rear HVAC controller. The verified manufacturer communication begins this process by directing removal of the rear HVAC control.
- Further troubleshooting steps are not yet established by verified evidence.
11. When to contact service
Contact an authorized Jeep service facility if rear HVAC buttons are sticking or not working, or if B187F-2A is stored in the Rear HVAC Module.
12. What the service center may check
- Confirm the customer concern involving rear HVAC buttons that do not work or stick.
- Check for B187F-2A in the Rear HVAC Module.
- Inspect the rear HVAC controller; the official communication directs removal of the rear HVAC control as the first listed inspection step.
13. Possible repair or resolution
- A specific repair resolution is not yet established by the supplied verified evidence.
14. Affected vehicles
- Jeep Wagoneer · 2025–2026 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication PDF 11028749, S2624000002, published February 6, 2026. It documents rear HVAC buttons that may not work or may stick, B187F-2A in the Rear HVAC Module, and inspection of the rear HVAC controller.
- The supplied applicability identifies 2025–2026 Jeep Wagoneer vehicles in the US.
16. Recall information
- No recall information is established by the supplied verified evidence.
17. Official manufacturer information
Official source: NHTSA Manufacturer Communication PDF 11028749, S2624000002: https://static.nhtsa.gov/odi/tsbs/2026/MC-11028749-0001.pdf
19. Frequently asked questions
What does Jeep code B187F-2A mean?
For the documented Jeep application, it means “Rear Climate Control Button Stuck.” The code may be present in the Rear HVAC Module.
What symptoms are associated with B187F-2A?
The official communication states that rear HVAC buttons may not work or may stick.
Which vehicles are covered by the supplied evidence?
The supplied applicability identifies US-market 2025–2026 Jeep Wagoneer vehicles. The official communication title and summary also reference Wagoneer / Grand Wagoneer, but Grand Wagoneer year, market, and applicability are not established by the supplied applicability data.
Is it safe to drive or charge with B187F-2A?
Not yet established by verified evidence.
What should a technician inspect?
The official communication directs inspection of the rear HVAC controller and begins with removal of the rear HVAC control.