Vehicle problem research

2017 Honda Clarity problems and repair guidance

Read 3 documented issue files for the 2017 Honda Clarity, including symptoms, source-defined vehicle scope and the published repair or diagnostic steps. A matching model name does not diagnose your car or confirm VIN eligibility.

This profile contains problem research. Model-specific warranty cost estimates and aggregate NHTSA complaint counts are not included for this model year.

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Honda Clarity model-year research

Model-year coverage varies. Each page shows the available problem files and identifies whether warranty estimates and federal report counts are included.

Problem research and repair guidance

2017 Honda Clarity: symptoms, affected vehicles and documented fixes

Match the symptom and the exact vehicle scope before arranging work. These files preserve the FixCatalogue research, with the manufacturer position, safe checks and original evidence available here.

3documented issue files
2vehicle systems

3 recall files · 0 other manufacturer files. These are editorial file counts, not distinct campaign totals, failure rates or a complete recall history.

Electrical & software

Official safety recall2017, 2018Campaign 19V315000

Electrical or software fault may disable vehicle functions

Internal components may corrode and cause the water pump to fail.

NHTSA campaign 19V315000 includes certain 2017 to 2018 Honda Clarity vehicles. Honda (American Honda Motor Co). is recalling certain 2017-2018 Clarity Fuel Cell vehicles. A failure of the water pump can cause the vehicle to stall, increasing the risk of crash.

Symptoms to compare
  • Warning messages, a blank display, a no-start condition or loss of a vehicle function may occur
  • An open campaign appears when the complete VIN is checked
  • Some recalled vehicles may show no advance warning before the component fails

Other ways owners describe it: dashboard lit up with warnings; car electronics stopped working; screen keeps rebooting; car will not start after update; electrical problem with no warning; software recall.

Which vehicles the source covers
  • 2017 to 2018 Honda Clarity
  • NHTSA campaign 19V315000
  • The manufacturer filing lists 1,082 potentially affected units across the complete campaign.
  • VIN eligibility determines whether this recall applies to an individual vehicle

Safety recall eligibility is based on the VIN and campaign scope, not ordinary warranty mileage. Check the complete VIN even when the vehicle is outside its original warranty.

Component in the source: EQUIPMENT:ELECTRICAL

Published recall remedy

Honda will notify owners, and dealers will replace the water pump, free of charge. The recall began June 10, 2019. Owners may contact Honda customer service at 1-888-234-2138.

Use the official recall remedyAuthorised dealer · Confirm with VIN

Honda will notify owners, and dealers will replace the water pump, free of charge. The recall began June 10, 2019. Owners may contact Honda customer service at 1-888-234-2138.

Limit: Do not buy parts from the campaign description alone. VIN scope, superseded remedies and parts availability can change.

Check the complete VIN before arranging workBasic check · 5 minutes

Enter the 17-character VIN in NHTSA's recall lookup and ask the manufacturer or an authorised dealer to confirm whether the campaign is open for this vehicle.

Limit: A year, make and model match does not prove that every vehicle is included. The VIN result controls eligibility.

Evidence for this issue

Transmission & drivetrain

Official safety recall2017, 2018Campaign 18V921000

Hybrid propulsion system may lose power

The previous software remedy may have been incomplete.

NHTSA campaign 18V921000 includes certain 2017 to 2018 Honda Clarity vehicles. Honda (American Honda Motor Co). is recalling certain 2017-2018 Clarity Fuel Cell vehicles previously repaired under recall 18V-068. A loss of power can increase the risk of a crash.

Symptoms to compare
  • A hybrid-system warning, reduced propulsion or a no-start condition may occur
  • An open campaign appears when the complete VIN is checked
  • Some recalled vehicles may show no advance warning before the component fails

Other ways owners describe it: hybrid system warning; hybrid car suddenly loses power; EV mode stopped working; car will not go ready; hybrid battery warning; propulsion system fault.

Which vehicles the source covers
  • 2017 to 2018 Honda Clarity
  • NHTSA campaign 18V921000
  • The manufacturer filing lists 1,082 potentially affected units across the complete campaign.
  • VIN eligibility determines whether this recall applies to an individual vehicle

Safety recall eligibility is based on the VIN and campaign scope, not ordinary warranty mileage. Check the complete VIN even when the vehicle is outside its original warranty.

Component in the source: HYBRID PROPULSION SYSTEM

Published recall remedy

Honda has notified owners, and dealers will update the FC-ECU software, free of charge. The recall began February 14, 2019. Owners may contact Honda customer service at 1-888-234-2138.

Use the official recall remedyAuthorised dealer · Confirm with VIN

Honda has notified owners, and dealers will update the FC-ECU software, free of charge. The recall began February 14, 2019. Owners may contact Honda customer service at 1-888-234-2138.

Limit: Do not buy parts from the campaign description alone. VIN scope, superseded remedies and parts availability can change.

Check the complete VIN before arranging workBasic check · 5 minutes

Enter the 17-character VIN in NHTSA's recall lookup and ask the manufacturer or an authorised dealer to confirm whether the campaign is open for this vehicle.

Limit: A year, make and model match does not prove that every vehicle is included. The VIN result controls eligibility.

Evidence for this issue
Official safety recall2017Campaign 18V068000

Hybrid propulsion system may lose power

The fuel cell control unit (FC-ECU) may misinterpret a small cell voltage drop, causing the vehicle to have reduced, or a complete loss of, power.

NHTSA campaign 18V068000 includes certain 2017 Honda Clarity vehicles. Honda (American Honda Motor Co). is recalling certain 2017 Clarity Fuel Cell vehicles. A loss of power can increase the risk of a crash.

Symptoms to compare
  • A hybrid-system warning, reduced propulsion or a no-start condition may occur
  • An open campaign appears when the complete VIN is checked
  • Some recalled vehicles may show no advance warning before the component fails

Other ways owners describe it: hybrid system warning; hybrid car suddenly loses power; EV mode stopped working; car will not go ready; hybrid battery warning; propulsion system fault.

Which vehicles the source covers
  • 2017 Honda Clarity
  • NHTSA campaign 18V068000
  • The manufacturer filing lists 471 potentially affected units across the complete campaign.
  • VIN eligibility determines whether this recall applies to an individual vehicle

Safety recall eligibility is based on the VIN and campaign scope, not ordinary warranty mileage. Check the complete VIN even when the vehicle is outside its original warranty.

Component in the source: HYBRID PROPULSION SYSTEM

Published recall remedy

Honda will notify owners, and dealers will install a software update, free of charge. The recall began February 28, 2018. Owners may contact Honda customer service at 1-888-234-2138.

Use the official recall remedyAuthorised dealer · Confirm with VIN

Honda will notify owners, and dealers will install a software update, free of charge. The recall began February 28, 2018. Owners may contact Honda customer service at 1-888-234-2138.

Limit: Do not buy parts from the campaign description alone. VIN scope, superseded remedies and parts availability can change.

Check the complete VIN before arranging workBasic check · 5 minutes

Enter the 17-character VIN in NHTSA's recall lookup and ask the manufacturer or an authorised dealer to confirm whether the campaign is open for this vehicle.

Limit: A year, make and model match does not prove that every vehicle is included. The VIN result controls eligibility.

Evidence for this issue

Confirm who pays before authorizing work

A recall remedy follows the campaign and VIN eligibility. A service bulletin provides diagnosis or repair instructions; it does not by itself promise payment. Manufacturer warranty extensions and support programs have their own conditions.

Compare recalls, bulletins and warranty extensions →

Keep a current problem separate from future coverage

These files do not supply a shop quote. Ask for a diagnosis and written estimate, then check recall remedies or existing coverage. A new vehicle service contract generally excludes pre-existing conditions.

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Each file retains its original source review date. Historical remedy wording can change; check the current manufacturer notice and NHTSA VIN lookup for your vehicle. The separately dated NHTSA counts elsewhere on this page use a different dataset and scope.

Read the evidence for this vehicle

What can the data tell you about 2017 Honda Clarity?

No model-specific individual-repair price keys are retained for Honda Clarity in this library. Generic parts and labor estimates, public records and separate annual cost references may still be available.

Individual-repair price scopeGeneric inputs

Model-level range presence is a source-coverage check. It does not confirm that a repair fits every engine or model year.

EPA configuration matchNo confirmed match

An unmatched specification is an information gap. Do not borrow an engine or drivetrain from another year.

Documented repair pathsCheck the source

Recall and communication counts describe records. They cannot establish a breakdown probability or current VIN status.

Price-key audit reviewed October 12, 2026; EPA source snapshot 2026-08-07. Individual-repair ranges and annual repair-budget references are different datasets.