Mitsubishi B1419
52B-004 Page 15 of 22 TSB-18-52B-004 Please make the indicated changes to the 2016 and 2017 i-MiEV Service Manual, Group 52B - Supplemental Restraint System (SRS) -> SRS Air Bag Di
Quick answer
B1419 is referenced in Mitsubishi i-MiEV Supplemental Restraint System (SRS) air-bag diagnostic documentation. Verified evidence shows Mitsubishi issued service-manual corrections for the B1419 diagnostic procedure; it does not establish a plain-language fault definition, vehicle symptoms, or a specific repair.
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 B1419 mean?
B1419 is referenced in Mitsubishi i-MiEV Supplemental Restraint System (SRS) air-bag diagnostic documentation. Verified evidence shows Mitsubishi issued service-manual corrections for the B1419 diagnostic procedure; it does not establish a plain-language fault definition, vehicle symptoms, or a specific repair.
2. Technical explanation
NHTSA-hosted Mitsubishi manufacturer communications TSB-18-52B-002, TSB-18-52B-003, and TSB-18-52B-004 state that incorrect service-manual information for DTC B1418 and B1419 diagnosis was to be replaced with correct information. The provided evidence identifies the affected manual area as Group 52B, Supplemental Restraint System (SRS), SRS Air Bag Diagnosis, Diagnostic Trouble Code Procedures, under the SRS-ECU. The actual corrected diagnostic content is not included in the supplied evidence.
3. What system is affected?
Supplemental Restraint System (SRS), specifically SRS air-bag diagnosis 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
- Have the B1419 code evaluated using the applicable Mitsubishi i-MiEV SRS diagnostic information.
- Do not rely on the prior incorrect service-manual diagnostic information referenced by the Mitsubishi bulletins.
- Avoid attempting SRS or air-bag system repairs unless performed by appropriately qualified service personnel.
10. Step-by-step troubleshooting
- Confirm that B1419 is stored in the SRS-ECU.
- Use the corrected B1419 diagnostic procedure specified by the applicable Mitsubishi service-manual update. The detailed procedure is not contained in the supplied evidence.
- Not yet established by verified evidence: any component tests, wiring checks, connector checks, replacement criteria, or repair steps.
11. When to contact service
Contact a Mitsubishi dealer or qualified service facility for diagnosis using the corrected SRS service information applicable to the vehicle's model year and market.
12. What the service center may check
- Retrieve diagnostic information from the SRS-ECU.
- Identify the vehicle model year and market before selecting service information.
- For 2012 i-MiEV, Mitsubishi bulletin TSB-18-52B-002 references a correction to B1418 and B1419 diagnosis.
- For 2013 (Canada only) and 2014 i-MiEV, Mitsubishi bulletin TSB-18-52B-003 references a correction to B1418 and B1419 diagnosis.
- For 2016 and 2017 i-MiEV, Mitsubishi bulletin TSB-18-52B-004 references a correction to B1418 and B1419 diagnosis.
13. Possible repair or resolution
- Not yet established by verified evidence. The supplied bulletins establish that the diagnostic information was corrected, but do not provide the correction or a verified repair outcome.
14. Affected vehicles
- Mitsubishi i-MiEV · 2012 · US
- Mitsubishi i-MiEV · 2013–2014 · US
- Mitsubishi i-MiEV · 2016–2017 · US
15. Related TSBs / service bulletins
- TSB-18-52B-002, published December 20, 2018: references corrected diagnostic information for DTC B1418 and B1419 in the 2012 i-MiEV SRS service-manual section.
- TSB-18-52B-003, published December 20, 2018: references corrected diagnostic information for DTC B1418 and B1419 in the 2013 (Canada only) and 2014 i-MiEV SRS service-manual section.
- TSB-18-52B-004, published December 20, 2018: references corrected diagnostic information for DTC B1418 and B1419 in the 2016 and 2017 i-MiEV SRS service-manual section.
16. Recall information
- Not yet established by verified evidence. No recall information was supplied.
17. Official manufacturer information
Official NHTSA-hosted 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 B1419 on the Mitsubishi i-MiEV?
Verified evidence places B1419 in Group 52B Supplemental Restraint System (SRS), SRS Air Bag Diagnosis, under the SRS-ECU.
What does B1419 specifically mean?
Not yet established by verified evidence. The supplied material does not provide a plain-language fault definition.
Which i-MiEV vehicles are referenced by the supplied bulletins?
The evidence references 2012 i-MiEV; 2013 i-MiEV for Canada only; 2014 i-MiEV; and 2016–2017 i-MiEV. The supplied applicability data identifies the United States for 2012–2014 and 2016–2017, while TSB-18-52B-003 specifically states 2013 is Canada only.
Does B1419 have a documented repair in the supplied evidence?
No. The supplied evidence documents a correction to the service-manual diagnostic procedure, not a verified repair.