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P1d30 p20ee p2ba9
- Thread starter HANK HAN
- Start date
GearHead
Active Member
- Sep 13, 2016
- 380
- 133
- Truck Year
- 2014
Not sure what you are looking for, but here goes an attempt to answer an unasked question.
P1D30 - OIl Viscosity too low. This one is fairly simple, change your oil and filter with appropriate viscosity oil and reset oil mileage monitor system. There are multiple threads on oil viscosity (5w-40) and brands that meet the MS- specification. As long as the oil you choose meets the viscosity and specification it will be good oil.
P20EE - Select Catalyst Reduction Below Efficiency Threshold. More difficult but cause could be pointed to by the next code.
P2BA9 - Insufficient Reductant Quality. To the best of my knowledge the 2014 & 2015 do not have a DEF quality sensor, starts in 2016, but there are other parameters that set this code and one of them could also trip the previous code.
-Either of the two sensors at the front or rear of SCR could be faulty
- Exhaust system leaks (screws up all the sensors)
- Bad DEF not creating the correct Ammonia production reaction within the SCR
- Deposits on the Decomposition tube
- DEF dosing system failure
- Damaged SCR
The conditions in this code can cause the previous code so if you diagnose the one you may cure the other.
Good luck.