Mitsubishi P1A5D
CMU12 battery cell low voltage abnormal . TROUBLE JUDGMENT Check Conditions Three seconds elapse after the electric motor switch is turned ON, o r three seconds elapse after the
Quick answer
P1A5D identifies an abnormal low-voltage condition for CMU12 battery cell monitoring on a 2014 Mitsubishi i-MiEV (US).
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 P1A5D mean?
P1A5D identifies an abnormal low-voltage condition for CMU12 battery cell monitoring on a 2014 Mitsubishi i-MiEV (US).
2. Technical explanation
The verified Mitsubishi TSB evidence describes P1A5D as “CMU12 battery cell low voltage abnormal.” Its judgment conditions include that three seconds have elapsed after the electric motor switch is turned ON, or three seconds have elapsed after the Main Drive Lithium-ion Battery starts charging. The supplied excerpt also states that either one of certain DTCs must not be stored, but the full listed conditions are not available in the verified evidence provided.
3. What system is affected?
Main Drive Lithium-ion Battery cell monitoring; specifically CMU12.
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
- Do not attempt high-voltage battery repair or disassembly.
- Arrange professional diagnosis using Mitsubishi service information.
10. Step-by-step troubleshooting
- Confirm the stored DTC with an appropriate diagnostic scan tool.
- Have a qualified Mitsubishi EV technician evaluate the Main Drive Lithium-ion Battery monitoring system and CMU12-related fault.
11. When to contact service
Professional service is appropriate because this DTC concerns the Main Drive Lithium-ion Battery. The supplied evidence does not establish urgency, drivability, or charging restrictions.
12. What the service center may check
- Retrieve and document DTC P1A5D and any accompanying DTCs.
- Evaluate the P1A5D condition according to Mitsubishi TSB-19-54-004 and applicable service procedures.
- Do not perform high-voltage battery disassembly based on this page.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- Mitsubishi i-MiEV · 2014 · US
15. Related TSBs / service bulletins
- Mitsubishi TSB-19-54-004, published March 13, 2019; NHTSA Manufacturer Communication PDF 10158409 (MC-10158409-9999). The supplied evidence includes P1A5D in its low-voltage-abnormal CMU code list.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified source: NHTSA-hosted Mitsubishi Manufacturer Communication PDF 10158409, TSB-19-54-004, published 2019-03-13: https://static.nhtsa.gov/odi/tsbs/2019/MC-10158409-9999.pdf
19. Frequently asked questions
What does Mitsubishi P1A5D mean?
The verified TSB evidence defines it as “CMU12 battery cell low voltage abnormal.”
Which vehicle is covered by the supplied applicability evidence?
2014 Mitsubishi i-MiEV, US region.
Can I drive or charge with P1A5D?
Not yet established by verified evidence.
Is P1A5D covered by a recall?
Not yet established by verified evidence.