2018 Honda CLARITY FUEL CELL problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
2 owner complaints analyzed
2 distinct recall campaigns
16,193 mi median reported failure mileage
Scope: 2018 model year. Data updated: . 1 complaints include usable failure mileage. View data status.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Fuel/Propulsion System is the most frequently named component, appearing in 1 of 2 complaints (50.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Electrical and battery issues | 1 | 50.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Fuel/Propulsion System | 1 |
| Vehicle Speed Control | 1 |
Fuel/Propulsion System: 1; Vehicle Speed Control: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 1 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 1; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (1). 1 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2020 | 2 |
2020: 2
Pattern summary
Fuel/Propulsion System leads the component reports. Electrical and battery issues appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11322892 · 2020-04-30 (April 30, 2020)
2018 HONDA CLARITY FUEL CELL EXPERIENCED A SUDDEN REDUCTION IN POWER DUE TO A FAILURE OF THE FUEL CELL POWER GENERATION. THE CAR DISPLAYED AN ERROR MESSAGE "POWER SYSTEM PROBLEM. STOP DRIVING WHEN SAFE" WHILE DRIVING AT FREEWAY SPEEDS ON THE FREEWAY. THE CAR THEN HAD LOW POWER AND WAS RUNNING OFF THE BATTERY. AFTER PULLING OVER AND TURNING OFF THE CAR AND RESTARTING, IT HAD THE SAME ERROR WITH LOW BATTERY ONLY. THEN WE TURNED OFF, WAITED ABOUT TEN MINUTES, RESTARTED THE CAR, AND THE FUEL CELL SYSTEM SEEMED FINE. THE BATTERY BEGAN TO CHARGE. WE …
Owner-reported narrative. 16,193 miles reported. Look up ODI 11322892 at NHTSA ↗
Vehicle analysis explorer
Inspect model-year patterns, reported mileage, monthly activity and the evidence behind each signal.
Data completeness
2 unique complaints in this selection. Analysis snapshot: 2026-10-01.
Missing, zero and invalid mileage is excluded. Dates after the snapshot are excluded. Examples are limited selections, not a representative sample.
Problems by model year
Model-wide comparison of the eight most reported components across the model. Cells show counts and shares within each model year. Open a cell for source examples.
| Component | 2017 | 2018 | 2019 |
|---|---|---|---|
| Equipment | 266.7%ODI 11257802TL* THE CONTACT OWNS A 2017 HONDA CLARITY FUEL CELL. THE CONTACT RECEIVED A RECALL NOTIFICATION FOR NHTSA CAMPAIGN NUMBER: 19V315000 (EQUIPMENT) AND STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME TO REPAIR THE VEHICLE. KEN HARVEY'S DUBLIN HONDA (6300 DUBLIN BLVD, DUBLIN, CA 94568) CONFIRMED PARTS WERE NOT AVAILABLE. THE MANUFACTURER WAS NOT NOTIFIED OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT. | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Fuel/Propulsion System | 133.3%ODI 11279670 · 10,000 miTL* THE CONTACT OWNS A 2017 HONDA CLARITY FUEL CELL. WHILE DRIVING APPROXIMATELY 65 MPH, THE FUEL SYSTEM INDICATOR ILLUMINATED. THE VEHICLE WAS TAKEN TO DUBLIN HONDA [phone removed], LOCATED AT 6300 DUBLIN BLVD, DUBLIN, CA 94568), BUT THE TECHNICIAN WAS UNABLE TO DIAGNOSE A HYDROGEN VEHICLE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND INSTRUCTED THE DUBLIN DEALER TO SHIP THE VEHICLE TO AN UNKNOWN DEALER IN LOS ANGELES, CA WHERE THE HYDROGEN FUEL TANK WAS REPLACED. THE VEHICLE WAS REPAIRED AND RETURNED TO THE CONTACT. ADDITIONALLY, THE CO… | 150.0%ODI 11322892 · 16,193 mi2018 HONDA CLARITY FUEL CELL EXPERIENCED A SUDDEN REDUCTION IN POWER DUE TO A FAILURE OF THE FUEL CELL POWER GENERATION. THE CAR DISPLAYED AN ERROR MESSAGE "POWER SYSTEM PROBLEM. STOP DRIVING WHEN SAFE" WHILE DRIVING AT FREEWAY SPEEDS ON THE FREEWAY. THE CAR THEN HAD LOW POWER AND WAS RUNNING OFF THE BATTERY. AFTER PULLING OVER AND TURNING OFF THE CAR AND RESTARTING, IT HAD THE SAME ERROR WITH LOW BATTERY ONLY. THEN WE TURNED OFF, WAITED ABOUT TEN MINUTES, RESTARTED THE CAR, AND THE FUEL CELL SYSTEM SEEMED FINE. THE BATTERY BEGAN TO CHARGE. WE … | 0UnavailableNo examples available for this selection. |
| Electrical System | 133.3%ODI 11074217 · 1,400 miTHE CAR WAS PARKED FOR ABOUT 10 MINS. RETURN TO CAR AND START IT. THE 'POWER MANAGEMENT' WARNING DISPLAYED. FOLLOWING WITH BRAKE SYSTEM, TPMS, ELECTRIC POWER STEERING, AND RDM INOPERATE MESSAGE SHOW UP. CAR COULD NOT START UP. | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Electronic Stability Control (Esc) | 133.3%ODI 11074217 · 1,400 miTHE CAR WAS PARKED FOR ABOUT 10 MINS. RETURN TO CAR AND START IT. THE 'POWER MANAGEMENT' WARNING DISPLAYED. FOLLOWING WITH BRAKE SYSTEM, TPMS, ELECTRIC POWER STEERING, AND RDM INOPERATE MESSAGE SHOW UP. CAR COULD NOT START UP. | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Steering | 133.3%ODI 11074217 · 1,400 miTHE CAR WAS PARKED FOR ABOUT 10 MINS. RETURN TO CAR AND START IT. THE 'POWER MANAGEMENT' WARNING DISPLAYED. FOLLOWING WITH BRAKE SYSTEM, TPMS, ELECTRIC POWER STEERING, AND RDM INOPERATE MESSAGE SHOW UP. CAR COULD NOT START UP. | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Vehicle Speed Control | 00.0%No examples available for this selection. | 150.0%ODI 113258152018 HONDA CLARITY. CONSUMER WRITES IN REGARDS TO VEHICLE NOT ACCELERATING OVER 30 MPH. *LD *JS THE CONSUMER STATED THE VEHICLE SAT IN PARK FOR 30 MINUTES, AFTER WHICH IT WOULD NOT ACCELERATE PAST 30MPH AND THE RPMS ESCALATED TO RPMS. THE VEHICLE WAS TAKEN TO 3 DIFFERENT REPAIR SHOPS NONE WERE ABLE TO MAKE THE REPAIRS. THE CONSUMER STATED THE MPG DROPPED FROM 44 TO 24.7.*JS | 0UnavailableNo examples available for this selection. |
Darker cells indicate a larger share of submitted complaints. Components overlap. This measures complaint composition, not failure probability.
Failure mileage by component
Median and middle 50% of usable owner-reported mileages. Ranges require at least five records.
| Component | Mileage range (25th–75th percentile) | Median | Usable records | Examples |
|---|---|---|---|---|
| Fuel/Propulsion System | Too few reports for a range | 16,193 mi | 1 (sparse) | ODI 11322892 · 16,193 mi2018 HONDA CLARITY FUEL CELL EXPERIENCED A SUDDEN REDUCTION IN POWER DUE TO A FAILURE OF THE FUEL CELL POWER GENERATION. THE CAR DISPLAYED AN ERROR MESSAGE "POWER SYSTEM PROBLEM. STOP DRIVING WHEN SAFE" WHILE DRIVING AT FREEWAY SPEEDS ON THE FREEWAY. THE CAR THEN HAD LOW POWER AND WAS RUNNING OFF THE BATTERY. AFTER PULLING OVER AND TURNING OFF THE CAR AND RESTARTING, IT HAD THE SAME ERROR WITH LOW BATTERY ONLY. THEN WE TURNED OFF, WAITED ABOUT TEN MINUTES, RESTARTED THE CAR, AND THE FUEL CELL SYSTEM SEEMED FINE. THE BATTERY BEGAN TO CHARGE. WE … |
Complaint and recall timeline
Explore monthly filing activity alongside recall announcements. Up to ten years of monthly history is available.
Solid line: filed complaints. Dashed amber lines: recall announcement dates for this vehicle selection; markers include all recall components. The latest month is partial. Temporal proximity does not establish causation.
Monthly counts, recall campaigns and complaint examples
| Month | Complaints | Campaigns announced | Examples |
|---|---|---|---|
| 2024-11 | 0 | None | No examples available for this selection. |
| 2024-12 | 0 | None | No examples available for this selection. |
| 2025-01 | 0 | None | No examples available for this selection. |
| 2025-02 | 0 | None | No examples available for this selection. |
| 2025-03 | 0 | None | No examples available for this selection. |
| 2025-04 | 0 | None | No examples available for this selection. |
| 2025-05 | 0 | None | No examples available for this selection. |
| 2025-06 | 0 | None | No examples available for this selection. |
| 2025-07 | 0 | None | No examples available for this selection. |
| 2025-08 | 0 | None | No examples available for this selection. |
| 2025-09 | 0 | None | No examples available for this selection. |
| 2025-10 | 0 | None | No examples available for this selection. |
| 2025-11 | 0 | None | No examples available for this selection. |
| 2025-12 | 0 | None | No examples available for this selection. |
| 2026-01 | 0 | None | No examples available for this selection. |
| 2026-02 | 0 | None | No examples available for this selection. |
| 2026-03 | 0 | None | No examples available for this selection. |
| 2026-04 | 0 | None | No examples available for this selection. |
| 2026-05 | 0 | None | No examples available for this selection. |
| 2026-06 | 0 | None | No examples available for this selection. |
| 2026-07 | 0 | None | No examples available for this selection. |
| 2026-08 | 0 | None | No examples available for this selection. |
| 2026-09 | 0 | None | No examples available for this selection. |
| 2026-10 (partial) | 0 | None | No examples available for this selection. |
Emerging complaint spikes
Complete months in the latest six months with at least 10 complaints, at least twice the preceding 12-month average, and at least three square-root deviations above that average.
This is a descriptive screening rule, not a statistical defect finding. Publicity and reporting changes can increase submissions.
No complete months meet the spike thresholds for this selection.
Equal-age model-year comparison
Model-wide cumulative reports during the first three or five calendar years, starting with the model year (age 0). Only fully elapsed windows are compared.
2018: 2 complaints · 2019: 0 complaints
| Model year | Through age 0 | Through age 1 | Through age 2 |
|---|---|---|---|
| 2018 | 0 | 1 | 2 |
| 2019 | 0 | 0 | 0 |
Date coverage across each selected cohort
| Year | Incident dates used | Filing date fallbacks | Excluded dates |
|---|---|---|---|
| 2018 | 2 | 0 | 0 |
| 2019 | 0 | 0 | 0 |
Incident date is preferred when valid and no later than filing; otherwise filing date is used. Model year approximates age. Equal observation time does not adjust for sales, distance driven or reporting delays. One complaint linked to multiple model years can appear in each cohort.
Components reported together
Each cell counts unique complaints naming both components. Open a nonzero cell for examples.
| Component | Fuel/Propulsion System | Vehicle Speed Control |
|---|---|---|
| Fuel/Propulsion System | — | 0 |
| Vehicle Speed Control | 0 | — |
Co-reporting does not establish that one component caused another concern.
Recurring narrative patterns
Specific keyword mentions beyond broad component labels. Matching includes negations and comparisons and does not confirm a diagnosis.
0 patterns with matching reports.
No narratives match the published patterns.