What is code p20b9 Def supply line heater?
What is code p20b9 Def supply line heater?
With the scan tool hooked up, see if code P20B9 DEF Supply Line Heater Circuit High Input is now active after 15 seconds. If this happens, then the wiring, DEF control unit/module and PCM are good. The most likely problem is the DEF Supply Line Heater.
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.
How long does it take to put a Cummins on a Dodge Ram?
Take you around 20-30 minutes to put it on, depending on where you want to route the cord. 50Pete and PaulTGarrett like this. Use your exhaust brake all the time, keeps turbo clean. No extended idling, work it hard and get it hot.
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.
What is the p20bd code on my diesel?
Well, changed out the heater/pump in the def tank, drove about 5k miles and last night the check engine light came back on with a P20BD and a P20BE code. Both times the check engine light came on was after I used my remote start.
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 does the p20b9 Ford code code mean?
The heating element thaws liquid reductant within reductant heater and sender assembly reservoir during cold ambient temperatures. Need more information on how to fix the P20B9 FORD code?
How to bypass bypass code p20b9 until delete?
The reductant heater 1 in my 2011 just took a crap with code P20B9 and I tried to bypass it with a 2.2ohm 1 watt metal film resistor. When commanding the the active test on all three heaters, the test for open circuit on heater one all of a sudden kept showing fail and would not clear. Aparrently when commanding test it burned up the resistor.
How to clear DEF system diagnostic code p20b9?
Took it over to my favorite mechanic and he fixed it by installing a light bulb in place of the heater circuit, clearing the code and requesting a DEF system diagnostic on his scan tool. Total parts about $12 and an hour labour.
