Join Date: Apr 2015
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P20BA - DEF Reductant Heater Code
So… my CEL came on...did a scan... and code P20BA popped. What I'm gathering is that this code indicates a problem with the DEF Reductant heater. Note: I do not have any messages stating that my speed will be limited in x number of miles. When I clear the code, it stays off for maybe 2 - 3 start/stop cycles (driven maybe 500 miles or so).
Have you had this problem, and if so,
- was it the DEF Heater?
- did your speed limiting indicator come on?
- did replacing the DEF heater fix it?
- do you recommend a specific DEF heater for replacement? (ie: Ford, Autozone, NAPA, ???).
Thx in advance for your response.