NHTSA ID Number: 11735201
Incident Date: 2026-04-25
Manufacturer's Name: Honda
(American Honda Motor Co.)
Vehicle/Equipment Make: HONDA
Vehicle/Equipment Model: PILOT
Model Year: 2019
9999 If Unknown Or N/A
Vehicle Identification Number: 5FNYF6H9XKB
Vehicle Mileage At Failure:
Vehicle Speed:
Number Of Occurrences:
Was Vehicle Towed: No
Consumer Location: Vestal, NY
Summary of Complaint
The vehicle’s A/C system is experiencing a refrigerant leak due to a known issue with the compressor shaft seal. This issue appears to be associated with the transition to the newer R1234yf refrigerant, after which the shaft seal design was not adequately updated, leading to premature seal failure and refrigerant leakage. This is not an isolated case. Similar A/C compressor shaft seal leaks have been widely reported across multiple Honda models, including the Honda Civic, Accord, and CR-V. For several of these models, Honda has acknowledged the defect and issued an extended warranty program covering A/C compressor shaft seal failures. However, for the Honda Pilot, although Honda has issued a service bulletin describing the same shaft seal leak condition and repair procedure, no extended warranty coverage has been provided. The service bulletin for the Pilot describes the same failure mode and repair process as those covered under extended warranty programs for other models, indicating that Honda is aware of the defect and its root cause. Despite this acknowledgment, Pilot owners are required to bear the full cost of repairs, which can be significant, even though the underlying issue is consistent with those already covered in other vehicles. This issue also has potential safety implications. Loss of A/C function can impair the defrosting system, leading to windshield fogging and reduced visibility, especially in humid or cold conditions. Reduced visibility can directly impact driver safety. Given that Honda has already recognized this defect in multiple models and implemented extended warranty coverage, I believe similar coverage should be extended to the Honda Pilot to ensure fair treatment of customers and to address the associated safety concerns. I have attached the extended warranty documentation for the Honda Civic as well as the service bulletin for the Honda Pilot; they describe the same issue and repair procedure.
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Complaint 11735201 Documents
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Technical Service Bulletins TSB's List
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CRASH: No
WAS VEHICLE INVOLVED IN A CRASH
FIRE: No
WAS VEHICLE INVOLVED IN A FIRE
INJURIES: 0
NUMBER OF PERSONS INJURED
DEATHS: 0
NUMBER OF FATALITIES
Was Medical Attention Required: No
Was Incident Reported To Police: No
Date Of Incident: 2026-04-25
(YYYY-MM-DD)
Date Added To File: 2026-05-01
(YYYY-MM-DD)
Date Complaint Received By NHTSA: 2026-05-01
(YYYY-MM-DD)
Date Purchased:
(YYYY-MM-DD)
Was Original Owner: No
Product Type: Vehicle
V = Vehicle T = Tires E = Equipment C = Child Restraint
Specific Component's Description: VISIBILITY/WIPER
Anti-Lock Brakes: No
Cruise Control: No
Number Of Cylinders:
Drive Train Type:
[AWD, 4WD, FWD, RWD]
Fuel System:
FI = Fuel Injection TB = Turbo
Fuel Type:
BF = BiFuel CN = CNG/LPG DS = Diesel GS = Gas HR = HybridElectric
Vehicle Transmission Type [Auto, Man]:
(DOT) Department Of Transportation Tire Identifier:
Tire Size:
Location Of Tire:
FSW = Driver Side Front DSR = Driver Side Rear FTR = Passenger Side Front PSR = Passenger Side Rear SPR = Spare
Type Of Tire Failure:
BST = Blister BLW = Blowout TTL = Crack OFR = Out Of Round TSW = Puncture TTR = Road Hazard TSP = Tread Separation
Was Defective Tire Repaired:
Was Part Original Equipment:
Date Of Manufacture:
(YYYYMMDD)
Type Of Child Seat:
B = Booster C = Convertible I = Infant IN = Integrated TD = Toddler
Installation System:
A = Vehicle Safety Belt B = Latch System
Dealer's Name:
Dealer's Telephone Number:
Dealer's City:
Dealer's State:
Dealer's Zipcode:
SOURCE OF COMPLAINT CODE:
CAG = Consumer Action Group CON = Forwarded From A Congressional Office DP = Defect Petition,result Of A Defect Petition EVOQ = Hotline VOQ EWR = EARLY WARNING REPORTING INS = Insurance Company IVOQ = NHTSA Web Site LETR = Consumer Letter MAVQ = NHTSA Mobile APP MIVQ = NHTSA Mobile APP MVOQ = Optical Marked VOQ RC = Recall Complaint, Result Of A Recall Investigation RP = Recall Petition, Result Of A Recall Petition SVOQ = Portable Safety Complaint Form (PDF) VOQ = NHTSA Vehicle Owners Questionnaire
Incident State Code: NY
Vehicle Operator's Name:
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