# Prius Diagnostic Codes

**URL:** <https://community.cartalk.com/t/prius-diagnostic-codes/79106>\
**Category:** Maintenance/Repairs\
**Tags:** prius, toyota\
**Created:** [May 4, 2013, 6:50pm UTC](https://community.cartalk.com/t/prius-diagnostic-codes/79106 "2013-05-04T18:50:24Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![SoNewSammie](https://avatars.discourse-cdn.com/v4/letter/s/b5a626/32.png) [@SoNewSammie](https://community.cartalk.com/u/SoNewSammie)\
**Post date:** [May 4, 2013, 6:50pm UTC](https://community.cartalk.com/t/prius-diagnostic-codes/79106/1 "2013-05-04T18:50:24Z")

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I need to get my 2002 Toyota Prius inspected. The Warning/check engine light came on so I ran a diagnostic (OBDII) on it and came up with P3006 Fuel Air Metering Auxillary Emission controls. What does this mean? Previously codes indicating cylinder misfire came up but those cleared.

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**Author:** ![Nevada\_545](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/nevada_545/32/41232_2.png) [@Nevada\_545](https://community.cartalk.com/u/Nevada_545)\
**Post date:** [May 4, 2013, 10:21pm UTC](https://community.cartalk.com/t/prius-diagnostic-codes/79106/2 "2013-05-04T22:21:24Z")

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DTC P3006 Battery state of charge uneven. This indicates a problem with the battery pack or battery ECU. With the age of this vehicle I think you’ll find some failing cells in the battery pack.

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**Author:** ![SoNewSammie](https://avatars.discourse-cdn.com/v4/letter/s/b5a626/32.png) [@SoNewSammie](https://community.cartalk.com/u/SoNewSammie)\
**Post date:** [July 8, 2013, 6:05am UTC](https://community.cartalk.com/t/prius-diagnostic-codes/79106/3 "2013-07-08T06:05:49Z")

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Thank you! I got the prius battery replaced in April 2013 however, I’ve recently experienced two breakdowns in the middle of the road. I think the car shut off because the battery overheated…the warning light came on and then the car just shut down. I waited about 10 minutes each time before turning the car back on and it successfully turned on. Ran a diagnostic when I got home and it read the same codes (Cylinder Misfire and Fuel Air Metering Auxillary Emission Controls). Could there be a faulty cell in the new battery?

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**Author:** ![jtsanders](https://avatars.discourse-cdn.com/v4/letter/j/c2a13f/32.png) [@jtsanders](https://community.cartalk.com/u/jtsanders)\
**Post date:** [July 8, 2013, 7:51pm UTC](https://community.cartalk.com/t/prius-diagnostic-codes/79106/4 "2013-07-08T19:51:37Z")

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Is the replacement battery new or refurbished? If new, there should be a warranty that is still in effect. Even if refurbished, there might be a warranty that still applies after 3 months.