Disclaimer: Not affiliated with or endorsed by Toyota Motor Company. For informational purposes only. Full Disclaimer

Problems with 2008 Toyota Prius ELECTRICAL SYSTEM

On average, the 2008 Toyota Prius starts to “feel” problems with the ELECTRICAL SYSTEM and its various aspects after 97 810 miles.

Components Affected by ELECTRICAL SYSTEM Issues

We have classified the 197 complaints from 2008 Toyota Prius about ELECTRICAL SYSTEM into the following categories.

INSTRUMENT CLUSTER/PANEL 3 12V/24V/48V BATTERY 1

Recently reported ELECTRICAL SYSTEM problems on 2008 Toyota Prius

Recurring problem, inconsistency in fuel levels at the gas pump. possible hybrid energy theft from batteries or heating element. last fill-up at the north conduit mobil with 8 dollars, resulting in a less than a half a tank level, with a quarter tank level before fill up.

The dashboard lights go out, meaning you can no longer see the mph, the fuel, and everything important to drive with gauges. this can happen at anytime, driving or parked, on any street in any weather. also note, you can no longer shut the car off, unless you hold the start button for 20 seconds. sometimes the car will still not shut off, it's also sometimes hard to tell if the car is off, because there is no more dash. the only well to tell is to see if the radio goes on. there are a few ways to reset this major malfunction, to try and get things working again by disconnecting batteries, but this is a dangerous problem, that could kill someone while driving and needs attention and recalled soon as possible!

My car has been having this issue with braking and dashboard lights with 'brakes, abs, vsc. have taken it to the dealer and have spent thousands of dollars already. replaced the brake system (pads, drums, etc..), catalytic converter, hybrid battery. every time i drive out out of the dealer 'all is good' as codes were cleared but a few months after, the lights are on again. these issues have cause are causing my car to be acting up while driving and trying to break at stop signs and crossing lights by delaying to stop on time. this is a safety issue and needs to be addressed by toyota in assisting us with repairs. unless they'll wait for a tragedy before doing something about it. have called the dealer and they always say 'it could this' or 'it could be that'. so far the repairs they have done is supposed to fix the current issue with breaks, lights on the dashboard but now abs can be related to the actuator and that will cost me around $3,000! which i cannot afford anymore. my car is paid for and i've spent almost $7,000 in 'repairs' and of ...

The 2008 prius has a digital display. sometimes when the vehicle starts up there is no information displayed on the screen. nothing shows what gear (reverse, neutral, forward) it is in. there is no speedometer display. no odometer display. no fuel level display. at the same time that the dash does not light up, i have noticed there is no backup camera or backup lights when the vehicle is in reverse. in addition to the above, the start button will not fully shut down the car. it will cycle between accessory mode and full start when the button is pressed. i have noticed that when the problem is happening the vehicle is also not keeping track of the miles driven while the dash is not displaying - so when the dash does start working again, the odometer is not showing true mileage. after getting the vehicle to finally shut down, i have sometimes had the issue not present the next day at startup. other times it will last through several starts and stops. i have read online that this ...

Ventilation circuit to select inside to outside air has been cyber-terrorised several times. the system is vital to operate securely, as a disabled constituent, in a great metropolis, that has sewage and garbage vapors everywhere. they access the funtion to open the damper to let outside air in suddenly, exposing my respiratory system to inhale waste. i have respiirated. garbage air pollution, here in new york so much, it has activated my childhood asthma. please find a way to seal the ecu's.

The cryptocurrency industry has spawned a frenzy of hybrid battery energy theft. my combination meter spikes and reduces down a deficit in fuel, insight of other vehicles driving close enough to extract power from the rear battery cells. every time i re-fuel the combination meter re-calibrates fhe fuel and electric level. i lose 5 to 20 percent of that level once it has calibrates, every time.

The crank case ventilates randomly into the cabin. the foul stench of motor oil disperses into the cabin intermittently. the ventilator actuator orientates the crank case gases, hazardously contaminating my respiratory system.

The speedometer does not display when turning on the car. i figured out that by unplugging the battery in the back it would sometime bring it back on. now it only comes on every once in a while, it's no longer keeping track of miles when not on, as well as the fuel gauge is not keeping track of gas and have ran out twice because it stated half full.

For the third time i have had to replace my brake light switch, this is a safety issue as it affect how the brake lights work. the break light switch, when malfunctioning prevent or inhibits the vehicle from starting properly. if the switch fails while driving, it can cause problem with the battery regeneration, this is in addition to causing a driving hazard while driving.

The dim headlight only, not the bright, only on the drivers side front goes out 4 or 5 times a year. the front brights are not affected and have never gone out nor has the dim headlight on the passenger side front ever gone out. the car is driven daily usually and on city streets only.

There is a very wildly known issue with the prius 2004-2009 break accentuator assembly. toyota created an extended warranty for the replacement of this part because they know it is extremely faulty, the warranty has been extended three times since the original in 2004. the last expiration date they set was good until july of 2018. however, since then, there are tons of cars, including mine, where the assembly has gone bad, meaning that the brakes will continue to have a slow leak and can fail at any point causing physical harm and possible death to the driver. toyota is very very aware of this issue, however refuse to do a recall on the part.. since their third time extending the warranty, i can no longer get my replaced, which is a $2,700 fix, that is a cost that is worth more than the cars themselves. a recall needs to be done on this part, it is extremely unsafe since drivers can lose the ability to brake their cars causing harm to them, those traveling in the car, as well as everyone around them. i am eight and a half months pregnant, and will be driving with a newborn and ...

The inside to outside air vent actuators are moving in different directions, venting intake manifold gases into the cabin. synthetic oil smell in the cabin, via the two front vents.

No dashboard lights - combination meter is bad

While driving down the road the instrument panel went black. i could not see driving speed or remaining fuel. i drove to toyota dealer and could not shut down the engine upon arrival nor remove my key from the key slot. there are numerous online complaints about "prius instrument cluster not working". toyota quietly agreed to extend warranty coverage for 9 years from date of first use or until 2013. https://www.toyoheadquarters.com/threads/2004-2009-toyota-prius-combination-meter-warranty-extension-ztv.174/ i believe this should have been a safety recall as it is unsafe to operate a motor vehicle under these conditions and the operator might not be able to shut off their vehicle or remove the ignition key. there are almost 700,000 affected vehicles in the class. repair costs $925 or more for affected owners. several have posted videos of home remedies involving disconnecting the battery terminals to cause a "reset", which may encourage other owners to continue to operate the vehicle in an unsafe condition where failure is imminent.

Combination meter display not illuminating when the vehicle's ignition is turned 'on' i have a 2008 prius that i maintain regularly at authorized toyota dealers without a miss. dashboard on toyota prius stops working intermittently. when it fails, one can't know the speed of vehicle, milage, gear (d/r/p/n) etc. this happened couple of times even during middle of drive. when it happens, i can't even stop the car. i had do bit more research to figure out how to stop the car when this happens. i took it a dealer near by they diagnosed its due to defective combination meter. the quoted $800 to fix this. when i asked dealer about warranty, he said there is a warranty enhancement but it will only cover 9 years from date of purchase. upon further research on internet, this issue appears to be very common in toyota prius models and found a reference to warranty enhancement. i never received any such communication, more over this is a real safety issue that involves no consumer fault. i found no reference to this in toyota web pages in "my toyota" section, rather found references in internet (attached). ...