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Jaguar B1DE4

55 are stored in the Remote Function Actuator (RFA)

DriveUnknown. Not yet established by verified evidence.
ChargeUnknown. Not yet established by verified evidence.
ServiceContact a Jaguar retailer or qualified Jaguar service provider for diagnosis, particularly if the “Smart key not found” message persists.
Confidence95%

Quick answer

For a 2019 Jaguar I-Pace in the US, DTC B1DE4-55 is documented as being stored in the Remote Function Actuator (RFA). The official communication also states that a “Smart key not found” message may appear on the instrument cluster.

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 B1DE4 mean?

For a 2019 Jaguar I-Pace in the US, DTC B1DE4-55 is documented as being stored in the Remote Function Actuator (RFA). The official communication also states that a “Smart key not found” message may appear on the instrument cluster.

2. Technical explanation

Verified evidence identifies B1DE4-55 as a DTC stored in the Remote Function Actuator (RFA). The supplied official manufacturer communication associates it with a condition in which the instrument cluster may display “Smart key not found.” The evidence excerpt does not establish a component-level failure, diagnostic procedure, or repair.

3. What system is affected?

Remote Function Actuator (RFA); smart-key-related function.

4. How serious is this code?

Unknown. Not yet established by verified evidence.

5. Symptoms you may notice

  • A “Smart key not found” message may appear on the instrument cluster.
  • DTC B1DE4-55 may be stored in the Remote Function Actuator (RFA).

6. Possible causes

  • Not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. Not yet established by verified evidence.

8. Can I charge the vehicle?

Unknown. Not yet established by verified evidence.

9. What you can safely do

  • Record any instrument-cluster messages and the circumstances in which they occur.
  • Have the vehicle assessed by a Jaguar service provider if the condition persists or affects vehicle operation.

10. Step-by-step troubleshooting

  1. Confirm the stored DTC using suitable diagnostic equipment.
  2. Refer to Jaguar diagnostic information for the applicable vehicle and symptom. Further troubleshooting steps are not established by the supplied verified evidence.

11. When to contact service

Contact a Jaguar retailer or qualified Jaguar service provider for diagnosis, particularly if the “Smart key not found” message persists.

12. What the service center may check

  • Check for stored RFA diagnostic trouble codes, including B1DE4-55.
  • Assess the reported smart-key-related condition using Jaguar-approved diagnostic information. Specific checks are not established by the supplied verified evidence.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication 10153449: SSM74034, published January 7, 2019. The supplied excerpt states that “Smart key not found” may appear on the instrument cluster and that B1DDB-55 and B1DE4-55 are stored in the Remote Function Actuator (RFA).

16. Recall information

  • No recall information is established by the supplied verified evidence.

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication 10153449, Jaguar SSM74034 (published January 7, 2019): https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2015-2019.zip#nhtsa_id=10153449

19. Frequently asked questions

What does Jaguar I-Pace code B1DE4-55 mean?

The supplied verified evidence states that B1DE4-55 is stored in the Remote Function Actuator (RFA).

Can B1DE4-55 cause a “Smart key not found” message?

The official communication states that the message may appear and that B1DE4-55 may be stored in the RFA. It does not establish a direct cause-and-effect relationship from the supplied excerpt.

Is it safe to drive or charge with B1DE4-55?

Not yet established by verified evidence.

20. Sources & verification

Verified
Jaguar B1DE4: 55 are stored in the Remote Function Actuator (RFA) | EV Diagnostics