Nissan Leaf brake system failure logbook

About you:

Name (required)

Email (required)

Country where you drive your Leaf

Post code / ZIP code

About your Leaf:

Model year

Month of manufacture (if unknown, might be found on registration documents, or use CarJam if you're in NZ - it's in brackets after "Year" on the first line)

Model (S/X/G for Japan, Visia/Acenta/Tekna for UK, S/SV/SL for USA, etc.)

VIN or chassis number (to find it, use a service like CarJam if you're in NZ, or use our guide by clicking HERE)

The 5-digit "brake firmware" code as stamped on your brake control unit (click HERE to see where to find it) or as displayed via the "ECU versions" service screen on LeafSpy Pro (click HERE to see how to find it)

Or alternatively, upload your LeafSpy "ECU versions" screenshot here (click HERE to see how to find it)

Please list all "Brake" codes that you can see on the "DTCs" service screen on LeafSpy, separated by a comma, or write "OK NONE" if there are no brake codes (click HERE to see how to find out if you have any)

Or alternatively, upload your LeafSpy "DTCs" screenshot here (click HERE to see how to find it)

Has your Leaf experienced a brake system failure/s?

—Please choose an option—Yes, just one. (please provide details below)Yes, a few! (please provide details below)No, but I'd like to be updated. (skip to the bottom)

About your brake system failure/s:

Please provide a description of what happened in a way that we can post in public on our website – this will be anonymous, but would include your EV model and country.

Please provide any additional comments and descriptions you wish to not appear in public.

What was the outside temperature when your failure/s occured?

—Please choose an option—FreezingVery coldColdModerateWarmHotI don't remember

Shortly before or after the failure/s, did you find out that your 12V battery was very degraded?

—Please choose an option—Yes, beforeYes, afterNeitherI don't remember

Shortly before or after the failure/s, did you disconnect the 12V battery?

—Please choose an option—Yes, beforeYes, afterYes, both before and afterNeitherI don't remember

At the time of the failure/s, was a digital device connected to your Leaf’s OBD2 port? e.g. ELM327 bluetooth dongle.

—Please choose an option—YesNoI don't remember

Prior to the failure/s, was an OBD2 digital device used with your Leaf on a monthly or more frequent basis?

—Please choose an option—YesNoI don't remember

What was the model of the actual physical OBD2 digital device, if applicable? e.g. Konnwei KW902. Please provide whatever details you recall.

What software/s was being used to connect to your Leaf via your OBD2 digital device, if applicable? e.g. LeafSpy Lite.

Do you recall seeing any warning lights before the failure/s?

—Please choose an option—Yes (if you remember, please tell us which light/s as a comment)NoI don't remember

Do you recall seeing any warning lights during and/or after the failure/s?

—Please choose an option—Yes (if you remember, please tell us which light/s as a comment)NoI don't remember

How fast were you driving at the time of the failure/s? Please specify km/h or mph.

When the failure/s occurred, did you hear strange noises from under the bonnet?

—Please choose an option—YesNo, no noises at allI don't remember

How did you come to a stop?

As you were stopping, was there a juddering halt, or a smooth one?

—Please choose an option—Juddering haltSmooth haltI don't remember

Was anyone injured?

Was your vehicle or another vehicle/property damaged as a result of the incident?

Did you report the failure/s to a Nissan-authorised service centre or dealer (hereafter, just "Nissan")?

—Please choose an option—YesNoI don't remember

Was the failure reported to an authority/ies other than Nissan? If so, who?

If you reported your failure/s to Nissan, and you received a response, please take a photograph or a screenshot of Nissan's response and upload it here:

What did Nissan do by way of remedy?

Was there a cost for this remedy? If yes, please specify here:

We are aware that, in some cases where the brake failures did not disappear after an initial firmware update, Nissan has replaced the entire physical e-ACT Electrically-driven Intelligent Brake Control Unit.

Has your e-ACT Electrically-driven Intelligent Brake Control Unit been replaced completely?

—Please choose an option—YesNoI don't remember

Your commentary:

Is there anything we missed? Please feel free to add any other general comments - they all help!

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