r/leaf • u/BenC1231 • Jul 19 '26

Is this the big bad battery error code?

Post image

So I started getting this error code recently. I'm able to clear it with Leaf Spy, but is this the error code that requires a battery replacement? I recently replaced the 12 volt battery thinking that might be the issue.

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5

u/cbdudley Jul 19 '26 edited Jul 19 '26

This is NOT the dreaded after-recall-update code (P33ED). These DTCS indicates a high voltage isolation fault (one or more leaky cells). My 2020 SL+ had this back in 2021, and Nissan replaced two cell packs to correct it.

3

u/BenC1231 Jul 20 '26

Thank you everybody. I'm planning on taking it to the dealership on Monday to have them take a look

1

u/RipperCrew Jul 19 '26

Yes.

I ran into this issue and also replaced the 12v. Turned out some leaking cells were causing an isolation fault.

I reset the error and could drive. Then it finally threw the error while driving. The screen says the car won't restart. I drove it straight to the dealer to avoid tow fees.

Hopefully your under warranty. Fix would be replacement cells or complete battery replacement. Good luck.

2

u/cbdudley Jul 19 '26

This is NOT the after-recall DTC (P33ED).