Electrical System Related Problems of the 2004 Toyota Prius

Table 1 shows 18 common electrical system related problems of the 2004 Toyota Prius. The number one most common problem is related to the electrical system (103 problems). The second most common problem is related to the battery (19 problems).


Recently reported Electrical System problems of the 2004 Toyota Prius

The Electrical System problem

The odometer on my 2004 Prius stops at 299,999. This is a known problem in the 04-05 models that was corrected in 2006. Leaves me unable to track miles for maintenance and other uses. This also has the problem with the entire digital dash going dark which means no speedometer or gas gauge.   Read details...

The Battery problem

. 10/09/2012 I went to start my 2004 Prius I hit the power button and the dashboard lights had not work. You did not know the status of the car. Actuated the power switch and the brake peddle numerous times to no avail. I tried to select the gear and the car would move.   Read details...

The Software problem

2004 Toyota Prius. Consumer states unintended acceleration the consumer stated the sudden acceleration happened three times, over a six year span. He managed to put the vehicle in neutral, coast to the side of the road, and turned the vehicle off. Once the vehicle was restarted, all worked fine.   Read details...


Electrical System related problems in other Toyota Prius model year vehicles:



Prius Service Bulletins
Prius Safety Recalls
Prius Defect Investigations