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Jaguar U2012-87

screen instructions until the application finishes successfully.1 Exit the current session.15 If required, reset the vehicle to Transit mode.1 Select the Exit icon.2 3/13/2019 JTB00

Common search variants: U201287 · U2012 87 · U2012_87 · Search ignores case and common separators.

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact an authorized Jaguar retailer or qualified service facility for diagnosis, particularly if U2012-87 remains stored after the applicable service procedure or if any vehicle warning or operational concern is present.
Confidence95%

Quick answer

For the 2019 Jaguar I-PACE in the US, official Jaguar service communications state that DTC U2012-87 may be stored in the Brake Booster Module (BBM) during a campaign addressing incorrect climate-seat-control function from the touchscreen. The supplied evidence does not establish the code’s standalone definition or a vehicle fault diagnosis.

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 U2012-87 mean?

For the 2019 Jaguar I-PACE in the US, official Jaguar service communications state that DTC U2012-87 may be stored in the Brake Booster Module (BBM) during a campaign addressing incorrect climate-seat-control function from the touchscreen. The supplied evidence does not establish the code’s standalone definition or a vehicle fault diagnosis.

2. Technical explanation

The verified NHTSA-hosted Jaguar communications JTB00681NAS2 (March 13, 2019) and H188 UPS0519-2BN (March 20, 2019) instruct technicians to use Jaguar Land Rover-approved diagnostic equipment, select ECU Diagnostics, select all DTCs, and clear all DTCs. Each communication notes that U2012-87 may be stored in the BBM. The supplied excerpts associate this procedure with incorrect climate seat control from the touchscreen, but do not state that U2012-87 itself identifies a brake-booster defect or explain its technical subfault meaning.

3. What system is affected?

Brake Booster Module (BBM) is the module identified in the verified service communications as a location where U2012-87 may be stored. The associated service communication concerns climate-seat-control operation through the touchscreen.

4. How serious is this code?

Unknown. The verified evidence provides no severity classification for U2012-87.

5. Symptoms you may notice

  • A Jaguar service communication is titled for incorrect function of climate seat control from the touchscreen.
  • No driving, braking, warning-light, charging, or other symptom is established by the supplied verified evidence specifically for U2012-87.

6. Possible causes

  • 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

  • Do not infer a brake-system failure from U2012-87 alone based on the supplied evidence.
  • If the vehicle has a warning message, braking concern, or other safety-related symptom, arrange assessment by an authorized Jaguar retailer or qualified service facility.
  • Use Jaguar Land Rover-approved diagnostic equipment and procedures through qualified service personnel.

10. Step-by-step troubleshooting

  1. Verified Jaguar procedure: connect Jaguar Land Rover-approved diagnostic equipment and begin a new session.
  2. Follow the diagnostic equipment’s on-screen instructions.
  3. Select ECU Diagnostics, then select all DTCs.
  4. The communications direct technicians to clear all DTCs and follow on-screen instructions until the application finishes successfully.
  5. The communications also state to exit the current session and, if required, reset the vehicle to Transit mode.
  6. No further code-specific diagnostic test, component test, or root-cause procedure is established by the supplied evidence.

11. When to contact service

Contact an authorized Jaguar retailer or qualified service facility for diagnosis, particularly if U2012-87 remains stored after the applicable service procedure or if any vehicle warning or operational concern is present.

12. What the service center may check

  • Confirm whether the vehicle is a 2019 Jaguar I-PACE for the US market.
  • Check the Brake Booster Module (BBM) for stored U2012-87 using Jaguar Land Rover-approved diagnostic equipment.
  • Determine whether Jaguar communication JTB00681NAS2 or H188 UPS0519-2BN applies to the vehicle and its touchscreen climate-seat-control condition.
  • Perform the official diagnostic-session and DTC-clearing procedure only as directed by Jaguar service information.

13. Possible repair or resolution

  • The verified communications describe clearing all DTCs as part of the listed service procedure.
  • A specific repair for U2012-87 itself is not established by the supplied verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Jaguar JTB00681NAS2, published March 13, 2019; NHTSA Manufacturer Communication PDF 10158562. Title: Incorrect Function of Climate Seat Control from Touchscreen. It notes that U2012-87 may be stored in the BBM.
  • Jaguar H188 UPS0519-2BN, published March 20, 2019; NHTSA Manufacturer Communication PDF 10158615. Title: Update Prior to Sale: Incorrect Function of Climate Seat Control from Touchscreen. It notes that U2012-87 may be stored in the BBM.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified official sources: NHTSA-hosted Jaguar manufacturer communications MC-10158562-9999 (JTB00681NAS2) and MC-10158615-9999 (H188 UPS0519-2BN).

19. Frequently asked questions

What does U2012-87 mean on a 2019 Jaguar I-PACE?

The supplied verified evidence does not provide a standalone technical definition. It states only that the code may be stored in the Brake Booster Module during the listed Jaguar climate-seat touchscreen service procedure.

Does U2012-87 prove that the brake booster has failed?

No. The supplied verified evidence does not state that U2012-87 proves a brake-booster failure.

Is U2012-87 linked to climate-seat touchscreen operation?

The official Jaguar communications addressing incorrect climate-seat-control function from the touchscreen state that U2012-87 may be stored in the BBM. They do not establish a direct root-cause relationship beyond that context.

Is it safe to drive or charge with U2012-87?

Not yet established by verified evidence.

20. Sources & verification

Verified
Jaguar U2012-87: screen instructions until the application finishes… | EV Diagnostics