Code P21B0, "Reductant Level Sensor C Circuit High"
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Code P21B0, "Reductant Level Sensor C Circuit High"
I used my cheapie ODBII reader to identify the above code when the check engine light came on my 2011 F-350, which has 106,000 mi. The code appears to be related to the DEF system, and I was able to erase it with my code reader (or at least it went away after a couple of engine starts). Dealer says a replacement would be $700 +, and I am not eager to spend the money on a problem that may not be real. On the other hand, I am 2200 mi from home and don't want to find myself in limp mode somewhere between my current location in the Utah outback and my home in Florida.
Has anybody out there had this problem, have you been able to clear the code, and for how long? Thanks
Has anybody out there had this problem, have you been able to clear the code, and for how long? Thanks
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Joined: Aug 2011
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Rigdawg
Check with your dealer and see if the following applies to your truck.
Customer Satisfaction (Recall)
18M01 CERTAIN 2011-2012 MODEL YEAR F-250-F-550 AND 2013-2015 F-450-F-550
EQUIPPED WITH A 6.7L DIESEL ENGINE — REDUCTANT HEATER AND SENDER
ASSEMBLY REPAIR
Check with your dealer and see if the following applies to your truck.
Customer Satisfaction (Recall)
18M01 CERTAIN 2011-2012 MODEL YEAR F-250-F-550 AND 2013-2015 F-450-F-550
EQUIPPED WITH A 6.7L DIESEL ENGINE — REDUCTANT HEATER AND SENDER
ASSEMBLY REPAIR
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