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The P0AA6 diagnostic trouble code for Toyota vehicles indicates a Hybrid Battery Voltage System Isolation Fault. This fault occurs when there is a problem with the electrical isolation of the high. Learn what the P0AA6 hybrid code means, what causes it, and how to diagnose it using a megohm meter.
Prevent costly repairs with early detection. 08 Highlander hybrid here with 169,000 miles. I recently bought the car and have brought it back from the brink.
The battery was sitting in a pool of water. Codes read P0A80, P0AA6 with sub codes 527 and 612, so problem lies in a high voltage leak somewhere INSIDE the hybrid battery. OK so.
P0AA6-Hybrid Battery Voltage System Isolation Fault - Learn what this OBD2 code means, the most common causes, and how to fix it. Find the right diagnostic tools to identify and clear the fault quickly. P0AA6 HYBRID HIGHLANDER & RX400H ISOLATION FAULT FASTEC AUTO 4.81K subscribers Subscribe.
This Highlander Hybrid system main relay didn't survive an over-zealous seat shampoo at a detail shop. It drove in but couldn't drive out. Both the Highlanders and the RX400hs have the system main relay in a low spot under the rear seat.
A P0AA6 can be caused by water leaks at the rear hatch, spilled soda, or anything that wets the rear seat. Repair Information for P0AA6 code. Learn what Hybrid/EV Battery Voltage System Isolation Lost means, location and how to repair.
DTC P0AA6 stands for "Hybrid Battery Voltage System Isolation Fault" This code is logged when the PCM detects an isolation fault in the high-voltage system. Possible causes include issues with the high-voltage battery and/or cables, as well as problems with the battery control module. Common symptoms include lit warning lights, a battery that doesn't charge, and vehicle startup issues.
Luckily for most Prius owners, Toyota hybrid trouble codes are straight forward and easy enough to diagnose with a quick Google search. Of course there's always going to be a few exceptions that leave you scratching your head or yelling at the sky in frustration. If you are having trouble with diagnostic code P0AA6, you might not be aware that this is an "umbrella" code and has several.
P0AA6 hybrid battery voltage system isolation fault. The problem is that when some lamps and they are ABS lamp and other lamps and then the car not working until we program it.