2021 Honda Ridgeline Common Problems & Defect Telemetry
Authoritative defect intelligence synthesized from 98 verified NHTSA owner complaints, 7 federal safety recalls, and interquartile failure mileage telemetry.
The 2021 Honda Ridgeline receives a 5/10 MazicBay Reliability Index based on 98 verified NHTSA federal complaints and 7 safety recalls. The primary reported failure mode is Engine Stalling, Oil Consumption & Cooling Defect Reports with a median failure point at 9,125 miles (IQR: 3,506 – 59,000 mi). Out-of-warranty repairs benchmark at $950 – $3,200 .
19.6 complaints / 10k sold
Verified US federal records
Crash, fire & stall audit
7 Active / Free Remedies
2021 Ridgeline Failure Distribution by Vehicle Subsystem
Top Reported Problem Clusters (7)
Engine Stalling, Oil Consumption & Cooling Defect Reports
- Engine sudden stall / hesitation while driving
- Abnormal oil burning / consumption
- Check Engine Light (MIL) flashing
- Engine overheating / coolant loss
“This involves the paddle shift operation on the steering wheel. There are two paddles, one at 3 o'clock and 6 o'clock where the hands come into contact with the steering wheel. On four separate occasions, while driving at a relatively high rate of speed, my hands accidentally ...”
“Auto Idle Stop failed as I was sitting at a red light. As I came to a stop at the light, the truck entered the Auto Idle Stop. When the light turned green and it was time to accelerate, I released my foot off of the brake and the engine stopped. It cut out right there. Warning...”
“The check engine light came on Dec 26 which I took to have checked and was told that it should go to the shop. The code was not being stored. I took it to the Honda dealership and they did a complete check and said the engine had gone back. The connecting rods and barrings cau...”
Service Brakes, ABS Actuator & Master Cylinder Reports
- Spongy or hard brake pedal travel
- ABS / Brake warning light illuminated
- Extended stopping distance / pedal vibration
“Auto Idle Stop failed as I was sitting at a red light. As I came to a stop at the light, the truck entered the Auto Idle Stop. When the light turned green and it was time to accelerate, I released my foot off of the brake and the engine stopped. It cut out right there. Warning...”
“When driving the vehicle suddenly displayed warning and failure lights for the following: Adaptive Cruise Control, Lane Keep Assist, Road Departure, High Beam Support, and Collision Mitigation. The vehicle in the past regularly experiences issues with oncoming traffic (especia...”
“Front camera system failed lights that are on are brake system, Lane assist lkas and acc”
Electrical Parasitic Drain, Infotainment & Harness Reports
- Unexplained battery drain after sitting overnight
- Infotainment display / instrument cluster blackouts
- Accessory malfunction / alternator fault warnings
“My 2021 Honda Ridgeline Sport experienced failure of the forward-facing Honda Sensing camera system. This camera controls safety features including Collision Mitigation Braking, Lane Keeping Assist, and Adaptive Cruise Control. The failure disables safety assistance features. ...”
“Driving home from work on a Friday about 1am and my engine started t knock and sputter and the engine light started flashing. Luckily I made it home. I let it sit for a minute and started it back up and it ran fine. I let it sit over the weekend I made an appointment the the d...”
“Truck was waiting at a stop light in drive mode and foot on brake pedal. When the light changed to green. I tried to accelerate to go and the whole vehicle shook/lunges forward and shut off. Vehicle went into neutral and wouldn't allow me to go into drive mode. I had to restar...”
Transmission Hesitation, Hard Shifting & Slipping Reports
- Hard gear shifts / delayed engagement into Drive/Reverse
- Transmission shudder / jerking under acceleration
- Transmission slipping between gears
“This involves the paddle shift operation on the steering wheel. There are two paddles, one at 3 o'clock and 6 o'clock where the hands come into contact with the steering wheel. On four separate occasions, while driving at a relatively high rate of speed, my hands accidentally ...”
“Truck was waiting at a stop light in drive mode and foot on brake pedal. When the light changed to green. I tried to accelerate to go and the whole vehicle shook/lunges forward and shut off. Vehicle went into neutral and wouldn't allow me to go into drive mode. I had to restar...”
“The contact owns a 2021 Honda Ridgeline. The contact stated that while at a stoplight, the Auto START/STOP feature malfunctioned, and after releasing the brake pedal, the engine failed to automatically restart as designed. After shifting back to park(P), the vehicle restarted ...”
Electric Power Steering Assist & Suspension Noise Reports
- Sudden loss of electric power steering assist
- Steering wheel pull or highway wander
- Clunking / knocking noise over bumps
“This involves the paddle shift operation on the steering wheel. There are two paddles, one at 3 o'clock and 6 o'clock where the hands come into contact with the steering wheel. On four separate occasions, while driving at a relatively high rate of speed, my hands accidentally ...”
“I was involved in a rear end collision earlier today. My vehicle sustained significant front end damage and the air bags did not deploy. The vehicle had to be flat bedded to a Massachusetts State Police Barracks, pending further action by my insurance company. There were no in...”
“I CURRENTLY OWN A 2021 HONDA RIDGELINE SPORT AND IT WAS BROUGHT IN TO A HONDA DEALERSHIP THAT HAD DIAGNOSED A STEERING RACK FAILURE. THE QUOTED PRICE OF REPAIR WAS $4,000. AFTER DOING EXTENSIVE READING ON THIS ISSUE I LEARNED THAT SIMILAR ISSUES HAVE OCCURRED IN LATER YEAR MOD...”
Airbag Occupant Detection & Inflator Defect Reports
- SRS Airbag warning lamp illuminated
- Passenger occupant classification sensor failure
- Seat belt retractor lockup
“I was involved in a rear end collision earlier today. My vehicle sustained significant front end damage and the air bags did not deploy. The vehicle had to be flat bedded to a Massachusetts State Police Barracks, pending further action by my insurance company. There were no in...”
“This has something to do with circuit board for the seat sensor that activates air bag? I can’t get dealer to take care of recall. They keep saying we don’t have the parts. This is going on since at least September of last year. Why have recall if they aren’t going to do anyth...”
“The contact owns a 2021 Honda Ridgeline. The contact received notification of NHTSA Campaign Number: 224V064000 (Air Bags) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the...”
Fuel Pump Pressure Loss & Fuel Delivery Defect Reports
- Sudden loss of propulsion power at highway speeds
- Extended engine cranking / failure to restart
- Fuel odor near fuel tank / engine bay
“While making a right turn from a yield sign into oncoming traffic and doing about 15 mph, I depressed the accelerator to speed up and the truck stalled for about 2 seconds. The RPM's drop and you literally lunge forward until power resumes. No warning lights come on and no cod...”
Official NHTSA Safety Recalls (7)
SEAT BELTS:REAR/OTHER:RETRACTOR
Summary: Honda (American Honda Motor Co.) is recalling certain 2021 Accord Sedan, Accord Hybrid, CR-V, Ridgeline, 2022 Insight and CR-V Hybrid vehicles. The automatic locking retractor on the second-row center seat belt assembly may deactivate improperly, which can result in an unsecured child restraint system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
Summary: Honda (American Honda Motor Co) is recalling certain 2020-2021 Pilot and Ridgeline, and 2020-2022 Passport and Odyssey vehicles. The heating pads behind both side-view mirrors may not be bonded properly, allowing the mirror glass to detach. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
Summary: Honda (American Honda Motor Co.) is recalling certain 2020-2021 Civic, 2020-2023 Ridgeline, 2021-2023 Passport, 2021-2022 Pilot, and 2020 Acura MDX vehicles. The tie rod fastener that connects the brake booster and the brake master cylinder may have been improperly assembled during manufacturing, which can cause the brake master cylinder to separate from the booster assembly.
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER
Summary: Honda (American Honda Motor Co.) is recalling certain 2020-2022 Pilot, Accord, Civic sedan, HR-V, Odyssey, 2020 Civic coupe, Fit, 2021-2022 Civic hatchback, 2021 Civic Type R, Insight, 2020-2021 CR-V, CR-V Hybrid, Passport, Ridgeline, Accord Hybrid, 2020 Acura MDX, 2022 Acura MDX, 2020-2022 Acura RDX, and 2020-2021 Acura TLX vehicles. The front passenger seat weight sensor may crack and short circuit, failing to suppress the air bag as intended.
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
Summary: Honda (America Honda Motor Co) is recalling certain 2020-2024 Ridgeline vehicles. The rearview camera (RVC) tailgate wire harness may fatigue and break, which can prevent the rearview camera image from displaying.
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER
Summary: Honda (American Honda Motor Co.) is recalling certain 2018-2021, 2023 Acura TLX, 2019-2024 RDX, 2017-2020, 2022-2026 MDX, 2017-2021, 2023, 2025 Honda Ridgeline, 2017-2022 Pilot, 2019-2021 Passport, 2018-2026 Odyssey, 2019-2022 Insight, 2019-2021 HR-V, 2018-2020 Fit, 2020-2022 CR-V Hybrid, 2017-2022 CR-V, 2017-2018, 2021 Civic Type R, 2017-2021 Civic hatchback, 2016-2020 Civic coupe, 2016-2022 Civic, 2017-2022 Accord Hybrid, and 2016-2022 Accord vehicles. The front passenger seat weight sensor may crack and short circuit, which can cause the air bags to deploy unintentionally during a crash.
STRUCTURE:FRAME AND MEMBERS
Summary: American Honda Motor Company (Honda) is recalling certain 2016-2022 Honda Pilot, 2017-2023 Ridgeline, 2019-2023 Passport, and 2014-2020 Acura MDX vehicles that were sold in Connecticut, Delaware, District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Virginia, West Virginia, or Wisconsin. The rear subframe may corrode at the suspension mounting points, which can result in rear suspension component failure.
Tools for Diagnosing the 2021 Honda Ridgeline
Reads & clears all DTC codes including ABS, SRS, TPMS. Live sensor data with freeze frames. Works on all 1996+ vehicles.
Pre-gapped OEM-spec iridium plugs restore smooth combustion on misfiring cylinders.
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Pre-Purchase Inspection Checklist for 2021 Honda Ridgeline
Before purchasing a used 2021 Honda Ridgeline, perform the following targeted inspections based on reported federal defect patterns:
Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).
Test vehicle at low-speed stop-and-go and highway merges. Check for delayed reverse engagement or gear shift shudder between 2nd and 3rd gears.
Verify that all 7 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.
Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.
Defect & Reliability Q&A: 2021 Honda Ridgeline
Is the 2021 Honda Ridgeline a reliable used car?
The 2021 Honda Ridgeline earns a 5/10 MazicBay Reliability Index based on 98 federal owner reports. Vehicles maintained under factory service schedules exhibit strong longevity past 150,000 miles.
What is the most frequent defect reported on the 2021 Honda Ridgeline?
The leading complaint category is Engine Stalling, Oil Consumption & Cooling Defect Reports, with a median failure point around 9,125 miles (IQR: 3,506 – 59,000 mi).
Are there free recall repairs available for the 2021 Honda Ridgeline?
Yes, the NHTSA records 7 safety recall campaign(s) for this model year. All safety recalls are performed 100% free of charge by authorized franchise dealerships regardless of vehicle warranty status.