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Jaguar B1DDB

55 and B1DE4-55 are stored in the Remote Function Actuator (RFA)

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService need is unknown in the supplied diagnostic record. Jaguar service support may be appropriate if the documented key-related message or function concern is present.
Confidence95%

Quick answer

For a 2019 Jaguar I-Pace in the US, NHTSA manufacturer communication SSM74034 documents that DTC B1DDB-55 may be stored in the Remote Function Actuator (RFA), together with B1DE4-55. The communication also mentions a possible “Smart key not found” instrument-cluster message. The supplied evidence does not establish driving, charging, or repair guidance.

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 B1DDB mean?

For a 2019 Jaguar I-Pace in the US, NHTSA manufacturer communication SSM74034 documents that DTC B1DDB-55 may be stored in the Remote Function Actuator (RFA), together with B1DE4-55. The communication also mentions a possible “Smart key not found” instrument-cluster message. The supplied evidence does not establish driving, charging, or repair guidance.

2. Technical explanation

The verified manufacturer-communication evidence states that B1DDB-55 and B1DE4-55 are stored in the Remote Function Actuator (RFA). This identifies the module referenced by the communication, but the supplied evidence does not establish a component-level failure mechanism or diagnostic procedure.

3. What system is affected?

Remote Function Actuator (RFA).

4. How serious is this code?

Unknown. Severity is not established by the supplied verified evidence.

5. Symptoms you may notice

  • The instrument cluster may display “Smart key not found.”
  • The source excerpt indicates an operating condition before the quoted text, but that condition is incomplete in the supplied evidence and is therefore not established.

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

  • If “Smart key not found” is displayed or key-related functions do not operate as expected, arrange diagnosis by a Jaguar retailer or qualified service provider.
  • Do not attempt high-voltage-system repairs; the supplied evidence does not identify a high-voltage fault or provide a repair procedure.

10. Step-by-step troubleshooting

  1. Confirm whether B1DDB-55 and B1DE4-55 are stored in the Remote Function Actuator (RFA) using appropriate diagnostic equipment.
  2. Review NHTSA manufacturer communication SSM74034 for the applicable vehicle and symptom context.
  3. Further troubleshooting steps are not established by the supplied verified evidence.

11. When to contact service

Service need is unknown in the supplied diagnostic record. Jaguar service support may be appropriate if the documented key-related message or function concern is present.

12. What the service center may check

  • Check the Remote Function Actuator (RFA) for stored DTCs B1DDB-55 and B1DE4-55.
  • No additional service checks are 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. It documents that B1DDB-55 and B1DE4-55 may be stored in the Remote Function Actuator (RFA) and mentions a possible “Smart key not found” message.

16. Recall information

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

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication 10153449, SSM74034 (Jaguar), 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 B1DDB-55 refer to?

The supplied official manufacturer-communication evidence states that B1DDB-55 may be stored in the Remote Function Actuator (RFA), alongside B1DE4-55.

Can B1DDB-55 cause a “Smart key not found” message?

The source states that “Smart key not found” may appear on the instrument cluster and that B1DDB-55 and B1DE4-55 are stored in the RFA. It does not establish a specific causal mechanism from the supplied excerpt.

Is B1DDB-55 applicable to the 2019 Jaguar I-Pace?

The supplied applicability record identifies the 2019 Jaguar I-Pace for the US market.

Is it safe to drive or charge with B1DDB-55?

Not yet established by verified evidence.

20. Sources & verification

Verified
Jaguar B1DDB: 55 and B1DE4-55 are stored in the Remote Function… | EV Diagnostics