What does the p20b9 code stand for?
What does the p20b9 code stand for?
P20b9 Meaning. The reductant heater and sender assembly contains pickup tube for reductant pump module, an electric heating element, a reductant temperature sensor and an electrode type level sensor. The heating element is directly above pickup tubes inlet filter.
How to diagnose a p20ba pump fault?
Diagnose current faults first, in the order in which they are stored. Misdiagnosis occurs when this code is diagnosed when it is a stored code, especially while other codes are active. Also, check for active DEF Tank Heater and DEF Supply Pump fault codes. If these codes are present, diagnose them before attempting to diagnose the P20BA.
Where is the p20b9 code stored on a reductant heater?
If the PCM detects no voltage on the control circuit for reductant heater A, a code P20B9 will be stored and a malfunction indicator lamp may be illuminated. Reductant heaters may be inside a DEF tank (example shown here):
What to do if your Def heater has a p20ba fault?
If these codes are present, diagnose them before attempting to diagnose the P20BA. If the P20BA is the only active fault code present, and there are no updates/TSBs for your particular vehicle, then the next step is to locate the DEF Supply Line Heater, which is close to the DEF Supply Pump on the DEF tank.
P20b9 Meaning. The reductant heater and sender assembly contains pickup tube for reductant pump module, an electric heating element, a reductant temperature sensor and an electrode type level sensor. The heating element is directly above pickup tubes inlet filter.
If the PCM detects no voltage on the control circuit for reductant heater A, a code P20B9 will be stored and a malfunction indicator lamp may be illuminated. Reductant heaters may be inside a DEF tank (example shown here):
Where do I enter my p20e8 code for Ride of the month?
Enter your ride HERE to be a part of this month’s Ride of the Month Challenge! So truck threw a P20E8 code. At first it was go to dealer to service def system then maybe 5 minutes later got a check engine light.
