What is the current state of health of the battery, expressed as a percentage of original capacity?

Request this answer in writing from the service advisor before authorizing repair work. The full playbook covers documentation procedures and post-service verification steps.

Has the vehicle been observed to enter rapid-charge throttling (rapidgate) during normal use, and is this characterized as within specification?

Request this answer in writing from the service advisor before authorizing repair work. The full playbook covers documentation procedures and post-service verification steps.

Are CHAdeMO charging concerns being treated as vehicle defects or as charging-network availability issues?

Request this answer in writing from the service advisor before authorizing repair work. The full playbook covers documentation procedures and post-service verification steps.

If a battery replacement is being recommended, is the replacement a new production unit or a remanufactured assembly, and what is the warranty period on the replacement?

Request this answer in writing from the service advisor before authorizing repair work. The full playbook covers documentation procedures and post-service verification steps.

Is the vehicle eligible for any state-of-health-based warranty consideration under Nissan's capacity warranty?

Request this answer in writing from the service advisor before authorizing repair work. The full playbook covers documentation procedures and post-service verification steps.

app / playbooks / Nissan Leaf — charging failure

informational charging failure 2018—2024 dealer

Nissan Leaf charging failure (2018—2024)

Nissan Leaf · 2018—2024 · all trims

Diagnostic code reference

Reading codes off a Nissan Leaf service invoice? Look them up in our OBD-II DTC database →

Reported symptoms

DC fast charging session refuses to initiate, terminates early, or sustains charge rate well below specification
Charging at CHAdeMO stations becomes increasingly difficult to find as the network shifts toward CCS exclusively
Vehicle reports 'Rapid charge unavailable' message during operation, particularly after consecutive fast charges (rapidgate behavior)
Battery state of charge or capacity bar count reduced, particularly after several years of use in warm climates
Charging speed at any DC fast charger sustained below specification, even when the station is rated to deliver full Leaf charging power
12V (the vehicle's low-voltage accessory battery system) battery repeatedly drained or replaced

Symptom / evidence videos

Curated third-party videos that may show related symptoms, charging behavior, or technical background. EVRI does not endorse unsafe DIY repair. High-voltage diagnosis and repair should be handled by qualified EV technicians.

Charging test Bjørn Nyland context only

Nissan Leaf Rapidgate road-trip charging test after software update

Road-tests a 40 kWh Leaf after the Rapidgate software change, using LeafSpy battery-temperature readings and repeated CHAdeMO fast-charge sessions to compare charge power at different pack temperatures.

External rapid-charging road-trip test documenting Leaf charging speed versus battery temperature. EVRI provides this as technical charging context only; it is not diagnostic, legal, warranty, or repair instruction.

Related: rapidgate · DC fast charging throttling · consecutive CHAdeMO fast charges · battery temperature rising during fast charging · reduced charge rate on road trips

Watch on YouTube

Technical background Everything Electric CARS context only

Nissan Leaf Rapidgate explained — 40 kWh fast-charging limitation

Explains the original Rapidgate issue affecting the 40 kWh Nissan Leaf, including reports of reduced DC fast-charging power after repeated rapid charges, the role of passive battery cooling, and how this affects longer road trips.

External explainer of the 2018 Leaf Rapidgate controversy and passive battery-cooling concern. EVRI provides this as historical charging context only; owners should verify current charging behavior and vehicle condition individually.

Related: rapidgate · third rapid charge reduced charge rate · consecutive fast charging limitation · passive battery thermal management · road-trip charging delay

Watch on YouTube

Questions to ask

Pose these to the service advisor at intake. Request answers in writing or via email.

What is the current state of health of the battery, expressed as a percentage of original capacity?
Has the vehicle been observed to enter rapid-charge throttling (rapidgate) during normal use, and is this characterized as within specification?
Are CHAdeMO charging concerns being treated as vehicle defects or as charging-network availability issues?
If a battery replacement is being recommended, is the replacement a new production unit or a remanufactured assembly, and what is the warranty period on the replacement?
Is the vehicle eligible for any state-of-health-based warranty consideration under Nissan's capacity warranty?
What is the documented procedure used to measure state of health, and can the raw diagnostic data be provided in writing?

Documents to request

Each item should be received in writing before authorizing repair work.

Battery state of health diagnostic report, with the raw measurement data and the criteria for the percentage calculation
Repair order with technician notes, including any reference to capacity warranty or service campaigns
Capacity warranty assessment, written, indicating whether the threshold is met for VIN (Vehicle Identification Number) [VIN]
Documentation of the warranty period on any replacement battery, including which components are covered and which are excluded
Service history showing prior battery measurements over time, if available from the dealership records

Pre-service evidence

Capture before drop-off. Once the vehicle leaves your possession, proving prior condition becomes significantly harder.

Photograph the cluster showing the current capacity bar display
Record range observations over time — full-charge range estimates and actual driven range, with dates and ambient conditions
Save records of any rapidgate-related throttling events, including consecutive session details and observed charge rates
Save records of CHAdeMO charging session attempts where the station was unavailable or could not deliver expected speed
Note the climate region where the vehicle has primarily been operated, since heat exposure affects degradation
Save service history records from prior visits, particularly any battery diagnostic readings

Service advisor interaction

Operational notes specific to the conversation at the service desk.

Record the full name of the service advisor and the technician performing the diagnostic
Note whether the assessment is characterized as 'within specification,' 'normal degradation,' or 'below warranty threshold' — these characterizations carry different consequences for warranty claims
Rapidgate behavior is well-documented in the owner literature and is sometimes characterized by service advisors as user behavior; verbal characterization that consecutive fast charges are 'too aggressive' should be cross-referenced against documented vehicle specifications
If the advisor declines to perform a state-of-health diagnostic without prior payment, request written confirmation of the policy

Repair authorization

Cautions before signing.

Some dealers charge for state-of-health diagnostics even when the vehicle is being assessed for warranty coverage. Confirm in writing whether the diagnostic fee is refundable if warranty replacement is determined to apply.
Do not authorize a paid battery replacement without first confirming the capacity warranty status in writing.
If a paid replacement is recommended, request the basis for the determination in writing, including any warranty thresholds that were not met and the measurements supporting that conclusion.
Repair authorization signatures often include language permitting additional related work — read the document and decline blanket additional work in advance

Post-service verification

Complete before leaving the service location. Issues that surface after departure are operationally harder to attribute to the visit.

Verify the state-of-health reading from the diagnostic matches the value stated by the advisor
Confirm the repair order or estimate clearly identifies the warranty determination, with the supporting measurements
If warranty replacement is denied, retain copies of all documentation supporting the decision for any subsequent escalation
Confirm any quoted pricing for paid replacement is itemized and includes parts, labor, and warranty period on the replacement
Retain the dealership's diagnostic readout for ongoing reference, since battery health changes over time

Email templates

Documentation-focused templates for service correspondence. Tap copy to use. Subject and body are kept verbatim — paste them as-is into your email client.

pre-service inquiry

to: dealer service

Service inquiry — Nissan Leaf charging or battery state of health, VIN [VIN]

Service Department, I am scheduling my [YEAR] Nissan Leaf, VIN [VIN], for evaluation related to charging system or battery condition. Symptoms observed: [LIST SYMPTOMS WITH DATES]. Before the visit, I am requesting written confirmation of the following: 1. The procedure used to measure state of health, including the diagnostic tool and the calculation criteria. 2. Whether a fee applies to the diagnostic, and if so, whether the fee is refundable if warranty replacement is later determined to apply. 3. The capacity warranty threshold applicable to VIN [VIN], based on its model year and original specification. 4. Whether any open service campaigns or technical service bulletins apply to VIN [VIN] related to charging behavior, BMS software, or battery management. Please reply to this email so the planned scope is on record. Thank you, [NAME]

documentation request

to: dealer service

Documentation request — Nissan Leaf service on [DATE], VIN [VIN]

Service Department, Following the service performed on [DATE] for VIN [VIN], I am requesting the following documents for my ownership records: 1. The state-of-health measurement obtained, expressed as a percentage of original capacity, and the bar count on the cluster. 2. The capacity warranty threshold applicable to VIN [VIN], and the determination of whether the threshold has been met. 3. The full diagnostic report including all stored and pending fault codes. 4. Any service campaign or bulletin reference cited during the visit. This email is for documentation purposes. Please reply at your convenience. Thank you, [NAME]

Warranty notes

Nissan's battery capacity warranty for second-generation Leaf vehicles defines specific thresholds tied to bar-loss criteria and ownership periods. The thresholds and duration vary by model year and should be confirmed in writing for VIN [VIN].
Capacity warranty replacements are at no charge to the owner if the threshold is met. Goodwill replacements at thresholds below the warranty trigger have occurred in some cases but are not standardized.
Replacement batteries typically carry their own warranty period from installation date, which may differ from the original vehicle warranty. Confirm in writing which coverage applies.
CHAdeMO port availability is a market-level concern rather than a manufacturer warranty matter. Use of CCS-to-CHAdeMO adapters is at owner risk and is not warranted by Nissan.

Observational patterns

Battery degradation in passively cooled packs follows a documented heat-driven pattern. Vehicles operated in warm climates degrade more rapidly than those in temperate climates; this is not a manufacturer defect but is often discussed as if it were either a defect or an exclusion, depending on the conversation.

Rapidgate behavior is documented vehicle-side software design rather than user behavior. Verbal attribution to user behavior should be cross-referenced against the documented thermal management strategy.

CHAdeMO charging-network availability is decreasing as the industry standardizes on CCS. The operational impact on Leaf ownership for long-distance use is increasing over time, independent of any vehicle-side defect.

State-of-health readings from the OBD-II port using consumer tools (Leaf Spy, etc.) provide an independent reference point against the dealer's diagnostic output. Material discrepancies between the two warrant additional inquiry rather than acceptance of the dealer reading alone.

This playbook covers

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