Is AdBlue included in Mercedes service?
Your vehicle’s AdBlue is topped up for free in its first year, after that the top up service is completed free of charge when AdBlue is purchased from your local Mercedes-Benz Retailer.
Is the AdBlue tank heater covered by warranty?
Vehicle is not covered by warranty. The dealer wants to replace the heater and pump for 2200 bucks. There is no way that’s going to happen! Anyone had this code or issue? Anyone replace the adblue tank heater on a 2012 Passat? The tank heat cost about 370 bucks from the dealer. I had to replace mine last May.
Is it OK to Repace the AdBlue tank cap?
On early stage it may be OK just to repace AdBlue tank cap with the newer cap that has a vent. If the urea pump is already damaged from working in vacum long term then needs complete tank replacement. Mine was recalled for new adblue cap but no mention of complete tank replacement.
What should I do about my AdBlue problem?
After filling the tank with Adblue (only about 6 liters) the Adblue light and engine warning were still there. I took the car to a local VAG Specialist and he called me back with the bad news. It needs a new pump – but he said the pump was part of the tank and it also needs a new Adblue tank ecu. Total of £1200.
Why did my Passat AdBlue tank shut down?
The car didn’t shut down on him. He was smart enough to keep driving until he got to a safe place where someone could look at the car. The car did re-start at the dealer. The temperatures were above the freezing point of AdBlue and the AdBlue tank on a Passat is heated, so it’s not that.
How much does it cost to replace An AdBlue tank?
The dealer reported fault code 203D17: “Found Add Blue Tank Internal Failure” (At a cost of $185). They said I have to replace my AdBlue tank at a cost of $3,493! They said the heating element is faulty which is built inside the tank. Hence, I have to replace the whole tank. I check the local shops and they said the same thing.
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.
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 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.