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DEF problems

FoxiestHound

New Member
First Name
Neil
Joined
Feb 17, 2022
Threads
1
Messages
1
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Location
Minneapolis, Minnesota
Vehicle(s)
2021 Gladiator Sport EcoDiesel, 2013 Subaru BRZ
Occupation
ADAS Technician
Hello, joined like 10 minutes ago. Was hoping you could help with some ideas on helping me fix some issues with the DEF system.

I love in the frigid north, where we have seen quite a few days at sub zero temps.

'21 Glad Sport, throws two codes related to the def system:

P208B00-reductant pump performance

P20C600-reductant heater circuit

Individual research has lead me to believe that the colder temps are forcing the system to work harder and some of the def is freezing in the lines. I've gotten the codes on the cold days, and the MIL on the coldest days. Is there a non dealership way to help mitigatile the issue?

Most of the dealers don't even know these come with diesel motors.
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