2012 Prius Plug In Hybrid No Start with codes P1A61, P1A64, P1A67, P31AB

MG

Moderator
If you get a Prius PHV and it wont start with the codes listed above, don't be quick to quick to condemn the Hybrid Battery as the cause may be the 12v AUX battery. Usually we see these after the vehicle has been sitting like at a body repair shop. The codes may not clear even after you replace the AUX battery and may need to go under the Utility settings and us the “HV Batt Cell Low Volt READY ON Prevention Cancel” function.
 
J

JustHereToHelp

Guest
Had the same problem. Fixed the problem by paying Toyota dealer to replace and upgrade the hybrid fuse.
 
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