What does p21dd stand for in Ford diagnostic code?
P21DD – Ford Diagnostic Trouble Code (DTC) Definition, Causes and Diagnosis P21DD Ford Diagnostic Trouble Code (DTC) Definition, Causes and Diagnosis HomeFordP21DD Ford DTC P21DD Make: Ford Code: P21DD Definition: Reductant Heater A Current Too Low Description:
What does code p21dd on Duramax tank mean?
Scan showed trouble code P21DD. “Diesel Reductant Tank Heater Circuit 1 signal low” was the translation. Did some research, and looks like it was a somewhat common issue on some LML D-Max trucks.
What does code p21dd mean on Def heater?
The latest part to fail was the reductant tank heater (DEF Heater). Upon cold start the check engine light came on with code P21DD. After a little reading I learned that this can result in “Limp Mode”. I was in the middle of nowhere in Northern Wyoming. Not cool! I drove down to Denver and replaced it that week.
What is the p21dd code on a GMC cel?
Found this. 2013 gmc, 16,370 miles, cel on with P21dd code and is currently at dealership for def heater element replacement. Vehicle has been there since April 1st and waiting for part to show up the week of the 14th from gm.
The latest part to fail was the reductant tank heater (DEF Heater). Upon cold start the check engine light came on with code P21DD. After a little reading I learned that this can result in “Limp Mode”. I was in the middle of nowhere in Northern Wyoming. Not cool! I drove down to Denver and replaced it that week.
Scan showed trouble code P21DD. “Diesel Reductant Tank Heater Circuit 1 signal low” was the translation. Did some research, and looks like it was a somewhat common issue on some LML D-Max trucks.
What is the p21dd code on my GMC?
2013 gmc, 16,370 miles, cel on with P21dd code and is currently at dealership for def heater element replacement. Vehicle has been there since April 1st and waiting for part to show up the week of the 14th from gm. So my vehicle will be there over two weeks and not very happy. Is it under warrenty yet?
Why does my check engine light say p21dd?
I have a 2013 Duramax that of course has the stupid DEF, my check engine light came on Monday and Orielly’s said the code it was giving was P21DD but there was no explanation…does anyone know what this means? Thank you! Do you know how to go about fixing it?