# Service bulletins for the 2021 Honda Ridgeline

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

83 bulletins from NHTSA, as of 2026-10-19.

- [A24\-061](/bulletins/11025607.md), 2025-11-19, Service bulletin: ELECTRICAL SYSTEM. Service Bulletin \- The wireless charger starts charging the phone and then stops charging, even when the phone remains in the correct position on the charger due to software specifications that can cause some phones to have issues charging.
- [A20\-022](/bulletins/11021752.md), 2025-08-08, Service bulletin: STRUCTURE:BODY. Service Bulletin \- One or more accessory running board lights are flickering or not working due to a faulty running board light assembly.
- [A23\-009](/bulletins/11020578.md), 2025-07-09, Service bulletin: ENGINE. Service Bulletin \- Under certain circumstances, after coming to a stop and engaging idle stop, the vehicle may not restart automatically due to excessive cylinder pressure and/or low cranking torque. Typically, the customer can immediately restart the vehicle by selecting Park and pressing the ENGINE START/STOP button.
- [A24\-048](/bulletins/11011045.md), 2024-12-03, Service bulletin: STRUCTURE:BODY. Service Bulletin \- The AWD warning light is on potentially due to water intrusion into the rear differential pump motor connector area that corrodes the terminals.
- [A24\-061](/bulletins/11009193.md), 2024-10-25, Service bulletin: ELECTRICAL SYSTEM. Service Bulletin \- The wireless charger starts charging the phone and then stops charging, even when the phone remains in the correct position on the charger.
- [A24\-061](/bulletins/11008043.md), 2024-09-26, Service bulletin: ELECTRICAL SYSTEM. Service Bulletin \- The wireless charger starts charging the phone and then stops charging, even when the phone remains in the correct position on the charger.
- [A23\-050](/bulletins/11006251.md), 2024-08-13, Service bulletin: VISIBILITY/WIPER. Service Bulletin \- Customer complaint of the A/C not blowing cold air due to Oil/Refrigerant leak from the A/C compressor shaft seal.
- [A24\-085](/bulletins/11005272.md), 2024-07-26, Service bulletin: ENGINE. Service Bulletin \- MIL flashes and vehicle will not accelerate, low power. After cycling the ignition, the symptom does not return with no stored DTCs. This issue is more common in regions with cold weather \(specifically near or below freezing temperatures\). Usually after a long drive \(around 2 hours\) and accelerating while cornering.
- [A24\-085](/bulletins/11002716.md), 2024-07-01, Service bulletin: ENGINE. Service Bulletin \- The MIL flashes and vehicle will not accelerate, low power. After cycling the ignition, the symptom does not return with no stored DTCs. This issue is more common in regions with cold weather \(specifically near or below freezing temperatures\). Usually after a long drive \(around 2 hours\) and accelerating while cornering. Moisture accumulation in the intake manifold during long drives gets drawn into the combustion chamber while cornering, causing misfires.
- [A23\-050](/bulletins/11002714.md), 2024-07-01, Service bulletin: VISIBILITY/WIPER. Service Bulletin \- Customer complaint received regarding the A/C not blowing cold air due to an oil/refrigerant leak from the A/C compressor shaft seal.
- [A24040A](/bulletins/11000142.md), 2024-05-15, Other: ENGINE. Service NewsDue to On\-Board Diagnostic \(OBD\) regulation change starting with 2019 vehicles, American Honda’s Variable Valve Timing and Lift Electronic Control \(VTEC\) On\-Board Diagnostic monitors are now included in the EGR/VVT OBD Monitor Readiness status group. Due to some customer’s driving patterns, they may not drive in the fashion needed to operate the VTEC \(EGR/VVT\) that only operates above 5,350 rpm to run the OBD monitoring. Therefore, the EGR/VVT OBD monitor group readiness status is not set to “Complete” when the customer presents their vehicle to a Smog Check station for inspection.
- [ATI\&04082024905](/bulletins/10253299.md), 2024-04-17, Service bulletin: VISIBILITY. 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 front passenger’s power window inop from either the driver’s window switch, front passenger's window switch, or both. Customer may also report that the other window switches are still operable. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- [ATI\&03212024904](/bulletins/10252076.md), 2024-03-26, Service bulletin: VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; VISIBILITY. 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 front passenger’s power window inop from either the driver’s window switch, front passenger's window switch, or both. Customer may also report that the other window switches are still operable. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- [ATI\&02292024902](/bulletins/10251156.md), 2024-03-04, Service bulletin: VISIBILITY; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. 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 front passenger’s power window inop from either the driver’s window switch, front passenger's window switch, or both. Customer may also report that the other window switches are still operable. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- [ATI\&02202024901](/bulletins/10251149.md), 2024-03-04, Service bulletin: VISIBILITY; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. 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 passenger’s power window inop from driver’s master window switch. Customer may also report that the other window switches are still operable. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- [ATI\&02152024906](/bulletins/10250730.md), 2024-02-27, Service bulletin: VISIBILITY. Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2017\-2023 Ridgelines with a customer complaint of the power window master switch inop. Customer may also report that the other window switches are still operable. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- [ATI\&02012024905](/bulletins/10250330.md), 2024-02-15, Service bulletin: VISIBILITY; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2017\-2023 Ridgelines with a customer complaint of the power window master switch inop. Customer may also report that the other window switches are still operable. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- [A23\-050](/bulletins/10249630.md), 2024-02-03, Service bulletin: VISIBILITY; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. 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.
- [ATI\&01172024906](/bulletins/10249202.md), 2024-01-26, Service bulletin: VISIBILITY. Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2017\-2023 Ridgelines with a customer complaint of the power window master switch inop. Customer may also report that the other window switches are still operable. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- [ATI\&01022024910](/bulletins/10248679.md), 2024-01-09, Service bulletin: VISIBILITY; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2017\-2023 Ridgelines with a customer complaint of the power window master switch inop. Customer may also report that the other window switches are still operable. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- [A23\-091](/bulletins/10247623.md), 2023-12-23, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. Service Bulletin \- Due to variations in the purge control solenoid valve spring, the valve wears unevenly and intermittently sticks. This may result in setting DTC P0441 \(Evaporative Emission \(EVAP\) System Purge Flow Malfunction\).
- [ATI\&11272023901](/bulletins/10246394.md), 2023-12-07, Service bulletin: VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; VISIBILITY. Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2017\-2023 Ridgelines with a customer complaint of the power window master switch inop. Customer may also report that the other window switches are still operable. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- [A23\-008](/bulletins/10245550.md), 2023-11-29, Service bulletin: ENGINE AND ENGINE COOLING. Service Bulletin \- Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Typically, the customer can immediately restart the vehicle by selecting Park and pushing the ENGINE START/STOP button.
- [ATI\&10022023905](/bulletins/10244187.md), 2023-10-17, Service bulletin: LATCHES/LOCKS/LINKAGES; LATCHES/LOCKS/LINKAGES:DOORS:LOCK. 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 lock the vehicle using the inner handle button. Customer may also complain of the child lock remaining locked/enabled while in “unlock” setting. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- [ATI\&09182023902](/bulletins/10242863.md), 2023-09-26, Service bulletin: STRUCTURE; LATCHES/LOCKS/LINKAGES. 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 lock the vehicle using the inner handle button. Customer may also complain of the child lock remaining locked/enabled while in “unlock” setting. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.

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