Mitsubishi P1A98
ion battery starts to be charged. Balancer allowed to be driven is OFF. Either one of the following diagnostic trouble codes is no
Quick answer
P1A98 is documented by Mitsubishi/NHTSA as a Battery Balancing Unit diagnostic associated with CMU11 on the 2016 US Mitsubishi i-MiEV.
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 P1A98 mean?
P1A98 is documented by Mitsubishi/NHTSA as a Battery Balancing Unit diagnostic associated with CMU11 on the 2016 US Mitsubishi i-MiEV.
2. Technical explanation
The available official TSB evidence identifies P1A98 as “CMU11 Battery Balancing Unit.” The supplied record’s title/meaning text is incomplete, but the TSB excerpt states the trouble-judgment check conditions include: three seconds after the electric motor switch is turned ON, or three seconds after main drive lithium-ion battery charging starts; and “Balancer allowed to be driven is OFF.” The remainder of the criteria is not present in the verified excerpt.
3. What system is affected?
Main drive lithium-ion battery monitoring/balancing system; specifically CMU11 Battery Balancing Unit.
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 or battery-balancing repairs yourself.
- Have the vehicle evaluated by a qualified Mitsubishi EV service provider.
10. Step-by-step troubleshooting
- Use manufacturer-approved diagnostic procedures. The supplied evidence does not establish additional diagnostic steps.
11. When to contact service
Service need is not explicitly established by the supplied evidence; however, P1A98 is a documented Battery Balancing Unit DTC and should be assessed by a qualified Mitsubishi EV service provider.
12. What the service center may check
- Verify the stored DTC using manufacturer-approved diagnostic equipment.
- Follow the applicable Mitsubishi service information. Specific test steps are not established by the supplied evidence.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- Mitsubishi i-MiEV · 2016 · US
15. Related TSBs / service bulletins
- Mitsubishi TSB-19-54-005, published March 13, 2019; NHTSA Manufacturer Communication PDF 10158410. The provided excerpt lists P1A98 as “CMU11 Battery Balancing Unit.”
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Official source: 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 P1A98 mean on a Mitsubishi i-MiEV?
The verified TSB excerpt identifies P1A98 as “CMU11 Battery Balancing Unit.”
Which vehicle is covered by the supplied applicability data?
2016 Mitsubishi i-MiEV, US region.
Can I drive or charge with P1A98?
Not yet established by verified evidence.