Feb 1, 2026ENGINEA26-001
Service Bulletin - The piston ring function deteriorates due to ring low wear toughness and sticking from sludge. Oil adheres to the spark plug leading to carbon fouling and misfire. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected, P0303 No. 3 cylinder misfire detected, P0304 No. 4 cylinder misfire detected, and cause the MIL to come on.
Aug 29, 2025ENGINEA25-061
Service Bulletin - The piston ring function deteriorates due to ring low wear toughness and sticking from sludge. Oil adheres to the spark plug leading to carbon fouling and misfire. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected, P0303 No. 3 cylinder misfire detected, P0304 No. 4 cylinder misfire detected, and cause the MIL to come on.
Jul 29, 2025ENGINEONL6Z6072025
Owner Notification Letter - the piston ring function can deteriorate due to ring low wear toughness and sticking from sludge. Oil adheres to the spark plug leading to carbon fouling and misfire. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected, P0303 No. 3 cylinder misfire detected, P0304 No. 4 cylinder misfire detected, and cause the Malfunction Indicator Lamp (MIL) to come on.
Jun 17, 2025ENGINEAEBM06172025901
Dealer Message - Piston ring effectiveness may be reduced due to excessive wear and oil sludge build-up, which can cause oil to adhere to the spark plug, potentially leading to carbon fouling and misfire triggering DTCs P0301 through P0304 and cause the MIL to come on.
Apr 8, 2024ENGINE AND ENGINE COOLINGATI&04082024901
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2014-2017 Odysseys and 2014-2015 Pilots with a customer complaint of the vehicle Check Engine Light (CEL) on with one or more of the DTC(s) listed below (in Qualifiers) stored. To better understand the cause of this condition, AHM would like to collect specific Information from the vehicle prior to you attempting a repair of any kind.
Mar 21, 2024ENGINE AND ENGINE COOLINGATI&03212024905
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2014-2017 Odysseys and 2014-2015 Pilots with a customer complaint of the vehicle Check Engine Light (CEL) on with one or more of the DTC(s) listed below (in Qualifiers) stored. To better understand the cause of this condition, AHM would like to collect specific Information from the vehicle prior to you attempting a repair of any kind.
Mar 19, 2024ENGINE AND ENGINE COOLINGATI&03192024902
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2014-2017 Odysseys and 2014-2015 Pilots with a customer complaint of the vehicle Check Engine Light (CEL) on with one or more of the DTC(s) listed below (in Qualifiers) stored. To better understand the cause of this condition, AHM would like to collect specific Information from the vehicle prior to you attempting a repair of any kind.
Feb 28, 2024ENGINE AND ENGINE COOLINGATI&02282024908
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2014-2017 Odysseys and 2014-2015 Pilots with a customer complaint of the vehicle Check Engine Light (CEL) on with one or more of the DTC(s) listed below (in Qualifiers) stored. To better understand the cause of this condition, AHM would like to collect specific Information from the vehicle prior to you attempting a repair of any kind.
and 103 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic: 3 yr / 36k mi
Powertrain: 5 yr / 60k mi
Roadside assistance: 3 yr / 36k mi
EV battery: 8 yr / 100k mi

Source: www.cars.com as of 2026-06

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.