1,862 problems have been reported for the 2008 Toyota Prius. The following chart shows the 28 most common problems for 2008 Toyota Prius. The number one most common problem is related to the vehicle's exterior lighting with 582 problems. The second most common problem is related to the vehicle's service brakes, hydraulic (392 problems).. - Troubleshooting guide. Common causes of breakdowns in the 2008 Toyota Prius: - Hybrid battery failure - Brake system issues - Inverter failure - Engine overheating - Transmission problems. We also have Toyota owner's manuals for other years: 2024 Toyota Prius; 2023 Toyota Prius Plug-in Hybrid; 2023 Toyota Prius Prime; 2023 Toyota.
Worst 2008 Toyota Prius Problems #1: Headlights Malfunctioning 2008 Prius Average Cost to Fix: $600 Average Mileage: 91,000 mi. Learn More #2: Intermittent Headlight Failure 2008 Prius. Most common Toyota Prius problems. The Prius has been one of the best-selling hybrid vehicles in the world, and it's Toyota's number one electric vehicle up to date.. Many 2008 Toyota Prius owners have reported issues with their car's headlights, which may go out while driving. Turning them off and back on may help, but only for a few.