May 17, 2019Transmission & drivetrainElectrical systemEngine
ENGINE CONTROL MODULE (ECM) FAILED AT 56,000 MILES. CAR HAS BECOME INOPERABLE.
NHTSA ODI 11208247
Home · 2017 Volvo XC60 T8 Polestar Engineered Plug-in Hybrid · Complaints
What 14 owners told NHTSA about the 2017 Volvo XC60 T8 Polestar Engineered Plug-in Hybrid
These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.
All (14)Crash / fire / injury (2)Electrical system (5)Fuel system (3)Airbags (2)Engine (2)Transmission & drivetrain (2)Body & structure (1)Brakes (1)Driver assistance (1)Speed control (1)Steering (1)
2 of 14 complaints match · Transmission & drivetrain · clear filters
Feb 6, 2018Transmission & drivetrainElectrical system
CONSTANT PROBLEMS/FAILURES WITH START/STOP FUNCTION. CAR'S ELECTRICAL SYSTEM WILL COMPLETELY SHUT DOWN FOR NO REASON WHILE IN TRAFFIC AND ENGINE WILL NOT RESTART. CAR HAS TO BE SHUT OFF AND SYSTEM HAS TO BE RE-BOOTED. DEALER SERVICE DEPT CAN FIND NO PROBLEM. MOST RECENTLY, CAR'S STARTER MOTOR FAILED AND HAD TO BE REPLACED UNDER WARRANTY BY THE DEALER. HAVING THE CAR'S ENGINE START/STOP SYSTEM CONSTANT FAIL IS A SERIOUS SAFETY RISK. WE HAD SERVERAL NEAR-MISS ACCIDENTS CAUSED BY THIS FAILURE. THE WORK AROUND HAS BEEN TO MANUALLY DISABLE THE START/STOP FUNCTION, WHICH HAS TO BE DONE EACH TIME THE CAR IS STARTED FOR THE FIRST TIME.
NHTSA ODI 11067266
Working with the data? Download all 14 complaints as CSV · fetched from NHTSA July 18, 2026
How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2017 Volvo XC60 T8 Polestar Engineered Plug-in Hybrid verdict →