engine light
Posting Guru
Joined: Sep 2013
Posts: 1,348
Likes: 6
From: Edmonton, AB
"P20BA" is a redundant heater code. Its a code for the heater in the def tank. The tank heater is part of the Sender and Heater assembly.
Depending on your mileage it may be under warranty, notice I said may. Your in for a trip to the dealer and they will have to tell you what is going on. I suspect they will tell you the heater and sender will need to be replaced, if so lets hope it is covered under warranty.
I believe there are a few folks that have been out of warranty and bought the parts and swapped out the old to the new.
Depending on your mileage it may be under warranty, notice I said may. Your in for a trip to the dealer and they will have to tell you what is going on. I suspect they will tell you the heater and sender will need to be replaced, if so lets hope it is covered under warranty.
I believe there are a few folks that have been out of warranty and bought the parts and swapped out the old to the new.
New User
Joined: Oct 2017
Posts: 21
Likes: 0
I've got the same code. It has been on all year since DEF fluid starts to crystallize at 12 deg F, I haven't worried about it until recently. Now it is a repair I'm thinking about since it is getting cold. Been quoted as a $700 repair from a local shop. At 140K miles, I'm not under warranty. Hopefully you have lower mileage.
Posting Guru
Joined: Sep 2013
Posts: 1,348
Likes: 6
From: Edmonton, AB
Dont forget to let us know how you make out with the repair. Good luck!
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