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Mitsubishi B1416

52B-004 Please make the indicated changes to the 2016 and 2017 i-MiEV Service Manual, Group 52B - Supplemental Restraint System (SRS) -> SRS Air Bag Diagnosis -> Diagnostic Trouble

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService is appropriate because the verified communications revise the official B1416 SRS diagnostic procedure. The supplied evidence does not establish whether service is immediately required.
Confidence95%

Quick answer

B1416 is documented in Mitsubishi service-manual correction bulletins for i-MiEV SRS air-bag diagnosis procedures. The verified evidence does not establish a vehicle fault meaning, symptoms, drivability, charging impact, or a specific repair for B1416.

This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.

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DTC Mitsubishi B1416 Short ExplanationMaxidot Fiat

Videos are supporting material and never override OEM or regulator evidence.

1. What does B1416 mean?

B1416 is documented in Mitsubishi service-manual correction bulletins for i-MiEV SRS air-bag diagnosis procedures. The verified evidence does not establish a vehicle fault meaning, symptoms, drivability, charging impact, or a specific repair for B1416.

2. Technical explanation

Official Mitsubishi communications filed with NHTSA instruct technicians to replace incorrect information with correct information for B1416 diagnosis in Group 52B, Supplemental Restraint System (SRS), under SRS Air Bag Diagnosis and Diagnostic Trouble Code Procedures for the SRS-ECU. The supplied evidence identifies this as a service-manual diagnostic-information correction, not a complete definition of the underlying DTC.

3. What system is affected?

Supplemental Restraint System (SRS), including SRS air-bag diagnostic procedures and the SRS-ECU.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • Not yet established by verified evidence.

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

  • Arrange diagnosis by a qualified Mitsubishi service provider using the corrected applicable service-manual procedure.
  • Do not attempt SRS or air-bag system repairs based on the supplied bulletin summaries.

10. Step-by-step troubleshooting

  1. Confirm the model year and market applicability before using a bulletin.
  2. Use the applicable corrected B1416 diagnostic procedure in Mitsubishi Group 52B SRS Air Bag Diagnosis, Diagnostic Trouble Code Procedures, for the SRS-ECU.
  3. The supplied evidence does not provide the actual diagnostic steps, test values, component checks, or repair criteria.

11. When to contact service

Service is appropriate because the verified communications revise the official B1416 SRS diagnostic procedure. The supplied evidence does not establish whether service is immediately required.

12. What the service center may check

  • Verify B1416 with appropriate SRS-ECU diagnostics.
  • Identify the applicable i-MiEV model year and market.
  • Consult the corrected Group 52B B1416 diagnosis information identified by the applicable Mitsubishi bulletin.

13. Possible repair or resolution

  • Not yet established by verified evidence. The bulletins direct replacement of incorrect B1416 diagnostic information with corrected information, but the supplied evidence does not include the resulting repair procedure or parts replacement.

14. Affected vehicles

15. Related TSBs / service bulletins

  • TSB-18-52B-002, published December 20, 2018: Applies to the 2012 US i-MiEV service manual. It corrects B1406 and B1416 diagnostic information in Group 52B SRS Air Bag Diagnosis for the SRS-ECU.
  • TSB-18-52B-003, published December 20, 2018: The supplied evidence states that it corrects B1406 and B1416 diagnostic information for the 2013 Canada-only and 2014 i-MiEV service manuals in Group 52B SRS Air Bag Diagnosis for the SRS-ECU.
  • TSB-18-52B-004, published December 20, 2018: Applies to the 2016 and 2017 US i-MiEV service manuals. It corrects B1406 and B1416 diagnostic information in Group 52B SRS Air Bag Diagnosis for the SRS-ECU.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Official NHTSA-hosted Mitsubishi manufacturer communications: TSB-18-52B-002 (https://static.nhtsa.gov/odi/tsbs/2018/MC-10152960-9999.pdf), TSB-18-52B-003 (https://static.nhtsa.gov/odi/tsbs/2018/MC-10152959-9999.pdf), and TSB-18-52B-004 (https://static.nhtsa.gov/odi/tsbs/2018/MC-10152961-9999.pdf).

19. Frequently asked questions

What system is associated with B1416 in the supplied evidence?

The Supplemental Restraint System (SRS), specifically SRS air-bag diagnostic trouble code procedures for the SRS-ECU.

Does the evidence state what component has failed?

No. A failed component or specific B1416 fault meaning is not established by the supplied verified evidence.

Which vehicles are covered by the supplied applicability data?

US-market 2012, 2013-2014, and 2016-2017 Mitsubishi i-MiEV entries are supplied. Separately, TSB-18-52B-003 states applicability to the 2013 Canada-only and 2014 i-MiEV service manuals.

Is B1416 tied to a recall in the supplied evidence?

Not yet established by verified evidence.

20. Sources & verification

Verified
Mitsubishi B1416: 52B-004 Please make the indicated changes to the… | EV Diagnostics