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Code P0406

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New User

Jun 24, 2011, 6:46 AM

Post #1 of 2 (3278 views)
Code P0406 Sign In

We have a dodge grand caravan 2005. We recently had a new battery put in. After we left the shop the engine light came on. A friend said the code was the P0406 code and reset it. the code came right back on when we drove it the next day. Does this have to do with a new battery being installed? We were on vacation when we had the battery installed so we did not go back to the shop. it was out of the area.

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 24, 2011, 9:35 AM

Post #2 of 2 (3265 views)
Re: Code P0406 Sign In

That's a problem with the EGR valve circuit. Probably not related to changing the battery. It's safe to drive.


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