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Technical Service Bulletins of the 2021 Honda Ridgeline

There have been 14 technical service bulletins issued for the 2021 Honda Ridgeline.

1 2021 Honda Ridgeline visibility TSB (Bulletin ATI&02202024901)

Bulletin Date: Feb. 20, 2024
Component: Visibility.
Bulletin Summary: Dealer message - american Honda motor CO. , inc. (ahm) is searching for certain 2019-2023 passports, 2016-2022 pilots, & 2017-2023 ridgelines with a customer complaint of the passengera??s power window inop from drivera??s master window swit
Vehicles covered in this TSB:
2019 Honda Passport, 2020 Honda Passport, 2021 Honda Passport, 2022 Honda Passport, 2023 Honda Passport, 2016 Honda Pilot, 2017 Honda Pilot, 2018 Honda Pilot, 2019 Honda Pilot, 2020 Honda Pilot, 2021 Honda Pilot, 2022 Honda Pilot, 2017 Honda Ridgeline, 2018 Honda Ridgeline, 2019 Honda Ridgeline, 2020 Honda Ridgeline, 2021 Honda Ridgeline, 2022 Honda Ridgeline, 2023 Honda Ridgeline.

2 2021 Honda Ridgeline power window devices and controls TSB (Bulletin ATI&02202024901)

Bulletin Date: Feb. 20, 2024
Component: Power window devices and controls.
Bulletin Summary: Dealer message - american Honda motor CO. , inc. (ahm) is searching for certain 2019-2023 passports, 2016-2022 pilots, & 2017-2023 ridgelines with a customer complaint of the passengera??s power window inop from drivera??s master window swit
Vehicles covered in this TSB:
2019 Honda Passport, 2020 Honda Passport, 2021 Honda Passport, 2022 Honda Passport, 2023 Honda Passport, 2016 Honda Pilot, 2017 Honda Pilot, 2018 Honda Pilot, 2019 Honda Pilot, 2020 Honda Pilot, 2021 Honda Pilot, 2022 Honda Pilot, 2017 Honda Ridgeline, 2018 Honda Ridgeline, 2019 Honda Ridgeline, 2020 Honda Ridgeline, 2021 Honda Ridgeline, 2022 Honda Ridgeline, 2023 Honda Ridgeline.

3 2021 Honda Ridgeline visibility TSB (Bulletin A23-050)

Bulletin Date: Jan. 24, 2024
Component: Visibility.
Bulletin Summary: Service bulletin - customers have complained that the air conditioning system is not blowing cold air due to oil/refrigerant leaking from the a/c compressor shaft seal.
Vehicles covered in this TSB:
2019 Honda Passport, 2020 Honda Passport, 2021 Honda Passport, 2019 Honda Pilot, 2020 Honda Pilot, 2021 Honda Pilot, 2020 Honda Ridgeline, 2021 Honda Ridgeline.

4 2021 Honda Ridgeline visibility:defroster/defogger/hvac system TSB (Bulletin A23-050)

Bulletin Date: Jan. 24, 2024
Component: Visibility:defroster/defogger/hvac system.
Bulletin Summary: Service bulletin - customers have complained that the air conditioning system is not blowing cold air due to oil/refrigerant leaking from the a/c compressor shaft seal.
Vehicles covered in this TSB:
2019 Honda Passport, 2020 Honda Passport, 2021 Honda Passport, 2019 Honda Pilot, 2020 Honda Pilot, 2021 Honda Pilot, 2020 Honda Ridgeline, 2021 Honda Ridgeline.

5 2021 Honda Ridgeline latches/locks/linkages TSB (Bulletin ATI&10022023905)

Bulletin Date: Oct. 2, 2023
Component: Latches/locks/linkages.
Bulletin Summary: Dealer message - american Honda motor CO. , inc. (ahm) is searching for certain 2020-2023 odysseys, passports, pilots, & ridgelines with a customer complaint of the door handle not operating from the inner door handle or not being able to lo
Vehicles covered in this TSB:
2020 Honda Odyssey, 2021 Honda Odyssey, 2022 Honda Odyssey, 2023 Honda Odyssey, 2020 Honda Passport, 2021 Honda Passport, 2022 Honda Passport, 2023 Honda Passport, 2020 Honda Pilot, 2021 Honda Pilot, 2022 Honda Pilot, 2023 Honda Pilot, 2020 Honda Ridgeline, 2021 Honda Ridgeline, 2022 Honda Ridgeline, 2023 Honda Ridgeline.

6 2021 Honda Ridgeline latches/locks/linkages:doors:lock TSB (Bulletin ATI&10022023905)

Bulletin Date: Oct. 2, 2023
Component: Latches/locks/linkages:doors:lock.
Bulletin Summary: Dealer message - american Honda motor CO. , inc. (ahm) is searching for certain 2020-2023 odysseys, passports, pilots, & ridgelines with a customer complaint of the door handle not operating from the inner door handle or not being able to lo
Vehicles covered in this TSB:
2020 Honda Odyssey, 2021 Honda Odyssey, 2022 Honda Odyssey, 2023 Honda Odyssey, 2020 Honda Passport, 2021 Honda Passport, 2022 Honda Passport, 2023 Honda Passport, 2020 Honda Pilot, 2021 Honda Pilot, 2022 Honda Pilot, 2023 Honda Pilot, 2020 Honda Ridgeline, 2021 Honda Ridgeline, 2022 Honda Ridgeline, 2023 Honda Ridgeline.

7 2021 Honda Ridgeline engine and engine cooling TSB (Bulletin A23-023)

Bulletin Date: Apr. 12, 2023
Component: Engine and engine cooling.
Bulletin Summary: Service bulletin - the engine will not crank on initial startup after precipitation and sub-freezing temperatures. Water can enter the starter motor, and when temperatures drop below freezing, the water will freeze inside the starter motor.
Vehicles covered in this TSB:
2018 Honda Odyssey, 2019 Honda Odyssey, 2020 Honda Odyssey, 2021 Honda Odyssey, 2022 Honda Odyssey, 2023 Honda Odyssey, 2019 Honda Passport, 2020 Honda Passport, 2021 Honda Passport, 2022 Honda Passport, 2023 Honda Passport, 2016 Honda Pilot, 2017 Honda Pilot, 2018 Honda Pilot, 2019 Honda Pilot, 2020 Honda Pilot, 2021 Honda Pilot, 2022 Honda Pilot, 2020 Honda Ridgeline, 2021 Honda Ridgeline, 2022 Honda Ridgeline, 2023 Honda Ridgeline.

8 2021 Honda Ridgeline starter assembly TSB (Bulletin A23-023)

Bulletin Date: Apr. 12, 2023
Component: Starter assembly.
Bulletin Summary: Service bulletin - the engine will not crank on initial startup after precipitation and sub-freezing temperatures. Water can enter the starter motor, and when temperatures drop below freezing, the water will freeze inside the starter motor.
Vehicles covered in this TSB:
2018 Honda Odyssey, 2019 Honda Odyssey, 2020 Honda Odyssey, 2021 Honda Odyssey, 2022 Honda Odyssey, 2023 Honda Odyssey, 2019 Honda Passport, 2020 Honda Passport, 2021 Honda Passport, 2022 Honda Passport, 2023 Honda Passport, 2016 Honda Pilot, 2017 Honda Pilot, 2018 Honda Pilot, 2019 Honda Pilot, 2020 Honda Pilot, 2021 Honda Pilot, 2022 Honda Pilot, 2020 Honda Ridgeline, 2021 Honda Ridgeline, 2022 Honda Ridgeline, 2023 Honda Ridgeline.
 

9 2021 Honda Ridgeline engine and engine cooling TSB (Bulletin ONL6T603102023-2)

Bulletin Date: Mar. 10, 2023
Component: Engine and engine cooling.
Bulletin Summary: Warranty extension - warranty extension reimbursement form for engine idle stop repairs made before the warranty extension notice date.
Vehicles covered in this TSB:
2019 Honda Passport, 2020 Honda Passport, 2021 Honda Passport, 2022 Honda Passport, 2016 Honda Pilot, 2017 Honda Pilot, 2018 Honda Pilot, 2019 Honda Pilot, 2020 Honda Pilot, 2021 Honda Pilot, 2022 Honda Pilot, 2020 Honda Ridgeline, 2021 Honda Ridgeline, 2022 Honda Ridgeline, 2023 Honda Ridgeline.

10 2021 Honda Ridgeline engine and engine cooling TSB (Bulletin ONL6T603102023-4)

Bulletin Date: Mar. 10, 2023
Component: Engine and engine cooling.
Bulletin Summary: Warranty extension - under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart.
Vehicles covered in this TSB:
2019 Honda Passport, 2020 Honda Passport, 2021 Honda Passport, 2022 Honda Passport, 2016 Honda Pilot, 2017 Honda Pilot, 2018 Honda Pilot, 2019 Honda Pilot, 2020 Honda Pilot, 2021 Honda Pilot, 2022 Honda Pilot, 2020 Honda Ridgeline, 2021 Honda Ridgeline, 2022 Honda Ridgeline, 2023 Honda Ridgeline.

11 2021 Honda Ridgeline engine and engine cooling TSB (Bulletin ONL6AX03102023-2)

Bulletin Date: Mar. 10, 2023
Component: Engine and engine cooling.
Bulletin Summary: Product update - Honda is conducting a product update to your 2019-22 passport, 2016-22 pilot, and 2020-23 ridgeline. Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically r
Vehicles covered in this TSB:
2019 Honda Passport, 2020 Honda Passport, 2021 Honda Passport, 2022 Honda Passport, 2016 Honda Pilot, 2017 Honda Pilot, 2018 Honda Pilot, 2019 Honda Pilot, 2020 Honda Pilot, 2021 Honda Pilot, 2022 Honda Pilot, 2020 Honda Ridgeline, 2021 Honda Ridgeline, 2022 Honda Ridgeline, 2023 Honda Ridgeline.

12 2021 Honda Ridgeline exterior lighting TSB (Bulletin A23-024)

Bulletin Date: Mar. 3, 2023
Component: Exterior lighting.
Bulletin Summary: Service bulletin - the headlight seal may become damaged from a misadjusted hood. Damage to the headlight seal may lead to moisture condensation building up in the headlight.
Vehicles covered in this TSB:
Honda Honda, 2019 Honda Passport, 2020 Honda Passport, 2021 Honda Passport, 2022 Honda Passport, 2016 Honda Pilot, 2017 Honda Pilot, 2018 Honda Pilot, 2019 Honda Pilot, 2020 Honda Pilot, 2021 Honda Pilot, 2022 Honda Pilot, 2017 Honda Ridgeline, 2018 Honda Ridgeline, 2019 Honda Ridgeline, 2020 Honda Ridgeline, 2021 Honda Ridgeline, 2022 Honda Ridgeline, 2023 Honda Ridgeline.

13 2021 Honda Ridgeline engine and engine cooling TSB (Bulletin A23-023)

Bulletin Date: Mar. 1, 2023
Component: Engine and engine cooling.
Bulletin Summary: Service bulletin - the engine will not crank on initial startup after precipitation and sub-freezing temperatures. Water can enter the starter motor, and when temperatures drop below freezing, the water will freeze inside the starter motor.
Vehicles covered in this TSB:
Honda Honda, 2018 Honda Odyssey, 2019 Honda Odyssey, 2019 Honda Passport, 2020 Honda Passport, 2021 Honda Passport, 2022 Honda Passport, 2016 Honda Pilot, 2017 Honda Pilot, 2018 Honda Pilot, 2019 Honda Pilot, 2020 Honda Pilot, 2021 Honda Pilot, 2022 Honda Pilot, 2020 Honda Ridgeline, 2021 Honda Ridgeline, 2022 Honda Ridgeline, 2023 Honda Ridgeline.

14 2021 Honda Ridgeline gasoline fuel system TSB (Bulletin A20-002)

Bulletin Date: Jul. 22, 2022
Component: Gasoline fuel system.
Bulletin Summary: Service bulletin - the mil is on with dtc p2422 (evap canister vent shut valve stuck closed malfunction). Dirt may be clogging the evap canister vent tube.
Vehicles covered in this TSB:
2017 Honda Ridgeline, 2018 Honda Ridgeline, 2019 Honda Ridgeline, 2020 Honda Ridgeline, 2021 Honda Ridgeline, 2022 Honda Ridgeline.

15 2021 Honda Ridgeline engine and engine cooling TSB (Bulletin A20-002)

Bulletin Date: Jul. 22, 2022
Component: Engine and engine cooling.
Bulletin Summary: Service bulletin - the mil is on with dtc p2422 (evap canister vent shut valve stuck closed malfunction). Dirt may be clogging the evap canister vent tube.
Vehicles covered in this TSB:
2017 Honda Ridgeline, 2018 Honda Ridgeline, 2019 Honda Ridgeline, 2020 Honda Ridgeline, 2021 Honda Ridgeline, 2022 Honda Ridgeline.

16 2021 Honda Ridgeline visibility TSB (Bulletin ATI&05062022902)

Bulletin Date: May. 6, 2022
Component: Visibility.
Bulletin Summary: Dealer message - american Honda motor CO. , inc. (ahm) is searching for certain 2021 ridgelines with a customer complaint of moisture in the headlight. To better understand the cause of this condition, ahm would like to inspect the vehicle b
Vehicles covered in this TSB:
2021 Honda Ridgeline.

17 2021 Honda Ridgeline exterior lighting TSB (Bulletin ATI&03092022)

Bulletin Date: Mar. 9, 2022
Component: Exterior lighting.
Bulletin Summary: Dealer message - american Honda motor CO. , inc. (ahm) is searching for certain 2021 ridgelines with a customer complaint of moisture in the headlight. To better understand the cause of this condition, ahm would like to inspect the vehicle b
Vehicles covered in this TSB:
2021 Honda Ridgeline.

18 2021 Honda Ridgeline air bags:srs malfunction warning lamp/light TSB (Bulletin A21100B )

Bulletin Date: Jan. 4, 2022
Component: Air bags:srs malfunction warning lamp/light.
Bulletin Summary: Servicenews article - there are several possible causes for the srs dtc u3000-49 (internal failure of the srs unit) to be stored. If you can duplicate the dtc, the troubleshooting will take you through the step-by-step process in isolating
Vehicles covered in this TSB:
2020 Honda Accord, 2021 Honda Accord, 2020 Honda Civic, 2021 Honda Civic, 2021 Honda Clarity, 2020 Honda Clarity Electric, 2020 Honda Clarity Fuel Cell, 2021 Honda Clarity Fuel Cell, 2020 Honda Clarity Plug-in Hybrid, 2021 Honda Clarity Plug-in Hybrid, 2020 Honda Cr-v, 2021 Honda Cr-v, 2020 Honda FIT, 2020 Honda Hr-v, 2021 Honda Hr-v, 2020 Honda Insight, 2021 Honda Insight, 2020 Honda Odyssey, 2021 Honda Odyssey, 2020 Honda Passport, 2021 Honda Passport, 2020 Honda Pilot, 2021 Honda Pilot, 2020 Honda Ridgeline, 2021 Honda Ridgeline.

19 2021 Honda Ridgeline seats TSB (Bulletin A21100B )

Bulletin Date: Jan. 4, 2022
Component: Seats.
Bulletin Summary: Servicenews article - there are several possible causes for the srs dtc u3000-49 (internal failure of the srs unit) to be stored. If you can duplicate the dtc, the troubleshooting will take you through the step-by-step process in isolating
Vehicles covered in this TSB:
2020 Honda Accord, 2021 Honda Accord, 2020 Honda Civic, 2021 Honda Civic, 2021 Honda Clarity, 2020 Honda Clarity Electric, 2020 Honda Clarity Fuel Cell, 2021 Honda Clarity Fuel Cell, 2020 Honda Clarity Plug-in Hybrid, 2021 Honda Clarity Plug-in Hybrid, 2020 Honda Cr-v, 2021 Honda Cr-v, 2020 Honda FIT, 2020 Honda Hr-v, 2021 Honda Hr-v, 2020 Honda Insight, 2021 Honda Insight, 2020 Honda Odyssey, 2021 Honda Odyssey, 2020 Honda Passport, 2021 Honda Passport, 2020 Honda Pilot, 2021 Honda Pilot, 2020 Honda Ridgeline, 2021 Honda Ridgeline.

20 2021 Honda Ridgeline wheels TSB (Bulletin ATI&10292021901)

Bulletin Date: Oct. 29, 2021
Component: Wheels.
Bulletin Summary: Dealer message - american Honda motor CO. , inc. (ahm) is searching for certain 2021-2022 odysseys & ridgelines with a customer complaint of tire pressure monitoring system (tpms) light on due to a faulty sensor. To better understand the cau
Vehicles covered in this TSB:
2021 Honda Odyssey, 2022 Honda Odyssey, 2021 Honda Ridgeline, 2022 Honda Ridgeline.


Also see Common problems of Honda Ridgeline.