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Mitsubishi P1A95

CMU08 balancer abnormal, P1A96: CMU09 balancer abnormal, P1A97: CMU10 balancer abnormal, P1A98: CMU11 balancer abnormal, P1A99: CMU12 balancer abnormal . M S B - 1 7 M 5 4 _ 5 5 -

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService is appropriate because the verified Mitsubishi procedure specifies BMU replacement when P1A95 is stored. High-voltage system work should be performed by qualified personnel.
Confidence95%

Quick answer

P1A95 is a Mitsubishi i-MiEV diagnostic trouble code for an abnormality of the CMU08 battery balancing unit (balancer). Official Mitsubishi service information directs replacement of the Battery Management Unit (BMU) if the DTC is stored.

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 P1A95 mean?

P1A95 is a Mitsubishi i-MiEV diagnostic trouble code for an abnormality of the CMU08 battery balancing unit (balancer). Official Mitsubishi service information directs replacement of the Battery Management Unit (BMU) if the DTC is stored.

2. Technical explanation

Mitsubishi identifies P1A95 as “CMU08 balancer abnormal” / “CMU08 Battery Balancing Unit.” The supplied official service information states the judgment check occurs after 3 seconds following electric motor switch ON, or after 3 seconds following main drive lithium-ion battery startup. Its diagnostic direction is: if the DTC is stored, replace the BMU; if it is not stored, the check is complete.

3. What system is affected?

Battery Management Unit (BMU) and main drive lithium-ion battery system; specifically the CMU08 battery balancing unit.

4. How serious is this code?

Unknown. Severity is not established by the verified evidence provided.

5. Symptoms you may notice

Not yet established by verified evidence.

6. Possible causes

  • An abnormality of the CMU08 battery balancing unit is identified by the code definition. Further underlying causes are 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 vehicle evaluated by a Mitsubishi-qualified EV service facility.
  • Do not attempt high-voltage battery, CMU, balancer, or BMU repair yourself.

10. Step-by-step troubleshooting

  1. Confirm whether DTC P1A95 is stored using the applicable diagnostic procedure. The supplied official service information states that if it is not stored, the check is complete.
  2. If P1A95 is stored, official Mitsubishi service information directs replacement of the BMU.

11. When to contact service

Service is appropriate because the verified Mitsubishi procedure specifies BMU replacement when P1A95 is stored. High-voltage system work should be performed by qualified personnel.

12. What the service center may check

  • Check whether P1A95 is stored.
  • Follow the Mitsubishi diagnostic decision: stored DTC—replace BMU; not stored—check complete.

13. Possible repair or resolution

  • Replace the Battery Management Unit (BMU) if P1A95 is stored, according to the supplied Mitsubishi service information.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Mitsubishi TSB-19-54-003, published March 13, 2019: identifies P1A95 as CMU08 balancer abnormal and directs BMU replacement when the DTC is stored.
  • Mitsubishi TSB-19-54-004, published March 13, 2019: identifies P1A95 as CMU08 balancer abnormal and directs BMU replacement when the DTC is stored.
  • Mitsubishi TSB-19-54-005, published March 13, 2019: identifies P1A95 as CMU08 Battery Balancing Unit and directs BMU replacement when the DTC is set.

16. Recall information

No recall relationship is established by verified evidence.

17. Official manufacturer information

Verified applicability: Mitsubishi i-MiEV, US-market model years 2012, 2014, and 2016. Official source: NHTSA-hosted Mitsubishi manufacturer communications TSB-19-54-003, TSB-19-54-004, and TSB-19-54-005, published March 13, 2019.

19. Frequently asked questions

What does P1A95 mean on a Mitsubishi i-MiEV?

It means CMU08 balancer abnormal, also described as CMU08 Battery Balancing Unit.

What does Mitsubishi specify if P1A95 is stored?

The supplied official service information directs replacement of the Battery Management Unit (BMU).

Can I drive or charge with P1A95?

Not yet established by verified evidence.

20. Sources & verification

Verified
Mitsubishi P1A95: CMU08 balancer abnormal, P1A96: CMU09 balancer… | EV Diagnostics