2020 Acura RDX Forward collision avoidance Problems
- Complaints
- 5about this part
- Share
- 1%of 351 total for the year
- Median mileage
- 9,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the forward collision avoidance of the 2020 Acura RDX, 1% of the 351 complaints for this model year. Where a mileage was given, the median is 9,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“On two occasions the Acura collision mitigation braking system cmbs engaged erroneously and aggressively. 1)whilst traveling on an interstate in heavy traffic at a speed of about 50 MPH, the car we were following momentarily braked then quickly accelerated. Accordingly our vehicle was braked, and upon releasing the brake to continue to follow the flow of traffic, the RDX's system misread the clear road ahead and automatically braked, hard, fully stopping the vehicle. The vehicle behind us skidded to the shoulder to avoid hitting us, and it almost caused a multi-car pile up. …”
NHTSA complaint #11373896, filed 2020-11, 8,000 miles“The contact owns a 2020 Acura RDX. The contact stated that while driving on several occasions at various speeds, the brakes were unintendedly activated. Additionally, the contact observed an orange warning light which stated “Brakes” illuminated and then went off. The vehicle was taken to a dealer twice however, the dealer was unable to replicate the failure. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 10,000.”
NHTSA complaint #11591556, filed 2024-05, 10,000 miles“In sudden, hard braking situations, the engine is disabled for between 3-4 seconds. On the highway, when hard braking from 70 mph to 20 mph, the engine is disabled and cars from behind are forced to veer off the road to avoid hitting my vehicle as it is basically stalled and cannot resume the speed. At intersections, when hard braking from 35 mph to 15 mph , the engine is disabled and the car is left in the middle of an intersection, blocking side and from-behind traffic.”
NHTSA complaint #11588015, filed 2024-05“The car was just purchased Turning left going about 5 to 10mph in a 25 mph zone it hit the brakes. Then about 100 yrds later at a stop light, the car was turning left with traffic going onto a 45mph road. It slammed on the brakes, saying brake , on the Display, causing whiplash, and almost a major accident. After calling Acura, they mentioned these driver assistance systems were tied into cruise control. When the car was tested on the highway a couple days before and used cruise control, the collision and another warning system were faulty. It said sensor is covered or... …”
NHTSA complaint #11646308, filed 2025-03Related service bulletins
- 10200854Aug 31, 2021ServiceNews Article - When returning the vehicle to the client, inform them that if the message Adaptive Cruise Control System Problem comes back on when the vehicle is driven in…
- 10200853Aug 31, 2021Service Bulletin - The ACC system error message comes on while driving when outside temperatures are low/near freezing.
Forward collision avoidance: other model years
Other parts of the 2020 Acura RDX
104 complaintsVisibility (wipers, defrost, mirrors)
102 complaintsEngine
55 complaintsFuel system
37 complaintsElectrical system
27 complaintsBody and structure
26 complaintsBrakes
23 complaintsTransmission and drivetrain
22 complaintsVehicle speed control
19 complaintsAir bags
6 complaintsSuspension
6 complaintsSteering
3 complaints
← All problems reported for the 2020 Acura RDX
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology