Understanding check engine lights, hybrid system warnings, and diagnostic codes.
Why It Came In The driver had already been down this road once. A previous mechanic pulled two codes — P0441 (incorrect purge flow) and...
Why It Came In The driver arrived after visiting four different shops over the course of roughly $1,500 in repairs — some of that body...
A 2009 Prius with 185,000 miles came in on a tow truck. The owner had just left an oil change when the red triangle lit...
What the Driver Noticed The client had been given this 2006 Prius as a donated vehicle. Warning lights came on in February, and a previous...
What Does P0A0F Mean? P0A0F is set when the hybrid system determines that the gas engine attempted to start but did not. On a hybrid...
Why It Came In The driver had noticed the heater going cold during electric-only operation — sitting at a red light, coasting downhill, anywhere the...
Why It Came In The driver had been to a Honda dealership the week before, where they were told the hybrid battery needed replacement but...
What Does P0A80 Mean? P0A80 is set by the hybrid system's battery control module when it detects that the high-voltage battery pack can no longer...
A 2010 Prius owner had been fighting a "check hybrid system" message. They'd replaced the hybrid battery, the inverter, both water pumps, the MAF sensor,...
Why It Came In The driver had already been down this road once. A previous mechanic pulled two codes, P0441 (incorrect purge flow) and P0455...
When your Toyota hybrid comes in with a warning light or a driveability concern, we don't just plug in a scanner and read the first...
Why Your Prius's MPG Drops in Winter — The Most Common Causes (And Why It’s Usually Normal) Cold weather is one of the most common...