Mitsubishi P1AE1
sor. . FAIL-SAFE AND BACKUP FUNCTION Not available M S B - 1 7 M 5 4 _ 5 5 - 0 0 1 ( 1 7 A B 0 3 7 ) 6 2 7 BATTERY MANAGEMENT UNIT (BMU) AND MAIN DRIVE LITHIUM-ION BATTERY TSB Re
Quick answer
P1AE1 is listed in an official Mitsubishi/NHTSA TSB source for the 2016 US Mitsubishi i-MiEV, but the supplied verified evidence does not provide a reliable code definition or diagnostic details specifically for P1AE1.
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 P1AE1 mean?
P1AE1 is listed in an official Mitsubishi/NHTSA TSB source for the 2016 US Mitsubishi i-MiEV, but the supplied verified evidence does not provide a reliable code definition or diagnostic details specifically for P1AE1.
2. Technical explanation
The supplied source is Mitsubishi TSB-19-54-005, published through NHTSA on March 13, 2019, concerning the Battery Management Unit (BMU) and main drive lithium-ion battery. Its excerpt references P1AE1 as one of several DTCs that must not be set for the documented P1AE4 BMU temperature-sensor rationality judgment. The excerpt does not state the meaning, setting conditions, fail-safe behavior, probable causes, or repair procedure for P1AE1 itself.
3. What system is affected?
Battery Management Unit (BMU) and main drive lithium-ion battery system, based on the title and context of Mitsubishi TSB-19-54-005.
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 for P1AE1.
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 EV service facility because the verified source places P1AE1 in the BMU/main drive lithium-ion battery context.
- Do not attempt high-voltage battery or BMU repair procedures yourself.
10. Step-by-step troubleshooting
- Use the applicable Mitsubishi service information and TSB-19-54-005 to identify the full P1AE1 diagnostic procedure. The supplied excerpt does not include that procedure.
- A service facility should retrieve stored DTCs and evaluate P1AE1 in context with other battery-management codes.
11. When to contact service
Contact a qualified Mitsubishi EV service facility for diagnosis. The supplied verified evidence does not establish whether immediate towing, driving restriction, or charging restriction is required.
12. What the service center may check
- Retrieve and document all diagnostic trouble codes from the applicable vehicle systems.
- Consult Mitsubishi TSB-19-54-005 and the applicable service information for the complete P1AE1-specific diagnostic information.
- Assess related BMU and main drive lithium-ion battery information using manufacturer procedures.
13. Possible repair or resolution
- Not yet established by verified evidence for P1AE1.
14. Affected vehicles
- Mitsubishi i-MiEV · 2016 · US
15. Related TSBs / service bulletins
- Mitsubishi TSB-19-54-005, published through NHTSA as Manufacturer Communication PDF 10158410 on March 13, 2019. The supplied excerpt concerns the BMU and main drive lithium-ion battery and mentions P1AE1 in relation to P1AE4 diagnostic judgment conditions.
16. Recall information
- No recall information was supplied or established by the verified evidence.
17. Official manufacturer information
Official source supplied: NHTSA Manufacturer Communication PDF 10158410, Mitsubishi TSB-19-54-005: https://static.nhtsa.gov/odi/tsbs/2019/MC-10158410-9999.pdf
19. Frequently asked questions
What does P1AE1 mean on a 2016 Mitsubishi i-MiEV?
Not yet established by the supplied verified evidence. The source mentions P1AE1 but the excerpt does not provide its definition.
Is P1AE1 applicable to the 2016 US Mitsubishi i-MiEV?
Yes. The supplied applicability record identifies the 2016 Mitsubishi i-MiEV in the US.
Can I drive or charge with P1AE1?
Not yet established by verified evidence. Seek qualified Mitsubishi EV diagnosis before relying on the vehicle.
Is there an official Mitsubishi bulletin related to P1AE1?
The supplied official TSB-19-54-005 mentions P1AE1 in BMU and main drive lithium-ion battery diagnostic context, but the excerpt does not provide a P1AE1-specific repair or resolution.