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Mitsubishi B1429

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

DriveUnknown. Not yet established by verified evidence.
ChargeUnknown. Not yet established by verified evidence.
ServiceService evaluation is appropriate because B1429 is documented within the SRS diagnostic procedures. The urgency and required repair are not yet established by verified evidence.
Confidence95%

Quick answer

B1429 is referenced in Mitsubishi service-manual correction bulletins for the i-MiEV Supplemental Restraint System (SRS). The supplied evidence does not establish the specific fault meaning, symptoms, driving status, charging status, or repair.

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

Video guides

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DTC Mitsubishi B1429 Short ExplanationMaxidot Fiat

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

1. What does B1429 mean?

B1429 is referenced in Mitsubishi service-manual correction bulletins for the i-MiEV Supplemental Restraint System (SRS). The supplied evidence does not establish the specific fault meaning, symptoms, driving status, charging status, or repair.

2. Technical explanation

Verified NHTSA-hosted Mitsubishi communications state that the diagnostic procedure information for DTC B1429 was corrected in i-MiEV Group 52B, Supplemental Restraint System (SRS), under SRS Air Bag Diagnosis / Diagnostic Trouble Code Procedures for the SRS-ECU. The supplied excerpts do not include the corrected B1429 diagnostic content itself.

3. What system is affected?

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

4. How serious is this code?

Unknown. 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?

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

  • Have a qualified Mitsubishi service provider diagnose the code using the corrected SRS-ECU procedure referenced by the applicable bulletin.
  • Do not attempt air-bag, SRS-ECU, or related restraint-system repairs based on the supplied evidence.

10. Step-by-step troubleshooting

  1. Confirm the vehicle model year and market applicability.
  2. Use the applicable Mitsubishi service-manual correction bulletin and its corrected B1429 diagnostic procedure. The actual corrected procedure is not included in the supplied evidence.

11. When to contact service

Service evaluation is appropriate because B1429 is documented within the SRS diagnostic procedures. The urgency and required repair are not yet established by verified evidence.

12. What the service center may check

  • Retrieve DTC B1429 from the SRS-ECU.
  • Follow the corrected B1429 diagnosis published in the applicable Mitsubishi manual-correction bulletin.
  • Verify whether the vehicle falls within the applicable model year and market listed by the bulletin.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • TSB-18-52B-004, published December 20, 2018: corrects B1428 and B1429 diagnosis information in the 2016 and 2017 i-MiEV Service Manual, Group 52B SRS, for the SRS-ECU. NHTSA document: https://static.nhtsa.gov/odi/tsbs/2018/MC-10152961-9999.pdf
  • TSB-18-52B-002, published December 20, 2018: corrects B1428 and B1429 diagnosis information in the 2012 i-MiEV Service Manual, Group 52B SRS, for the SRS-ECU. NHTSA document: https://static.nhtsa.gov/odi/tsbs/2018/MC-10152960-9999.pdf
  • TSB-18-52B-003, published December 20, 2018: corrects B1428 and B1429 diagnosis information in the 2013 (Canada only) and 2014 i-MiEV Service Manual, Group 52B SRS, for the SRS-ECU. NHTSA document: https://static.nhtsa.gov/odi/tsbs/2018/MC-10152959-9999.pdf

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

The verified evidence consists of NHTSA-hosted Mitsubishi manufacturer communications published December 20, 2018. They document corrections to the i-MiEV SRS diagnostic procedures for B1429, but the supplied excerpts do not state B1429's specific definition or correction/repair outcome.

19. Frequently asked questions

What system is associated with B1429?

The supplied evidence associates B1429 with the i-MiEV Supplemental Restraint System (SRS), specifically SRS-ECU diagnostic trouble code procedures.

Which i-MiEV vehicles are covered by the verified bulletins?

The supplied evidence identifies U.S. 2012 i-MiEV; 2013 i-MiEV for Canada only; 2014 i-MiEV; and U.S. 2016–2017 i-MiEV manual corrections. Exact applicability should be confirmed against the applicable bulletin and vehicle market.

Does B1429 identify a specific failed part?

Not yet established by verified evidence.

Is B1429 a recall?

The supplied evidence identifies service-manual correction bulletins, not a recall.

20. Sources & verification

Verified
Mitsubishi B1429: 52B-004 Please make the indicated changes to the… | EV Diagnostics