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Volvo Euro 6 Adblue Off - Solutions

Volvo FH, FE, FM, FMX, FL - We have definitive solutions to fix your problems - D6K, D8K, D11K, D13K et D16K engines

Volvo Euro 6 Adblue Off - Definitive programmation

All models supported

Recently, we have developed our own engine tuning, and found a way to make the EGR FAP and AdBLUE system inactive on Volvo Euro 6 from 2014 to Today. We give you more details just below.

On all Volvo Euro 6 equipped with ACM 2.1 Continental and EMS 2.3 and 2.4 TRW ECUs we now have new reliable, stable and tested solutions. We offer you to remove EGR - DPF - ADBLUE (SCR) - as well as the possibility of improving vehicle performance.

The operation consists of working at the heart of the computer directly in the vehicle's original program in the two management boxes, engine and post-processing.

It is necessary for us to have the truck sheltered for this tailor-made programming. The intervention time per vehicle is about 3 hours and sometimes more depending on where the ACM is located (hard-to-reach places on 6x4 8x4 tipper vehicles, carriers, etc.) Semi-trailer tractors are easier to access . It is also possible to send us the couple Engine management module and ACM, we can operate without needing the vehicle.

Nous prenons en charge tous les modèles Volvo Euro 6 FM FMX FL FH4 FH16 de 2014 à aujourd'hui, toutes cylindrées confondues pourvu que les véhicules soient équipés des modules décrits plus haut

What models can we work on ?

  • FH16 : FH16 550 FH16 650 FH16 750 Moteur (D16K)
  • FH : FH420 FH460 FH500 FH540 Moteur (D13K)
  • FM : FM330 FM380 FM430 FM460 Moteur (D11K)
  • FM : FM420 FM460 FM500 Moteur (D13K)
  • FMX : FMX330 FMX380 FMX430 FMX460 Moteur (D11K)
  • FMX : FMX420 FMX460 FMX500 FMX540 Moteur (D13K)
  • FE : FE250 FE 280 FE320 FE350 Moteur (D8K)
  • FL : FL210 FL240 Moteur (D5K)
  • FL : FL250 FL280 Moteur (D8K)

Basic Operation and Problem Parts

The engines affected by AdBlue malfunctions on Volvo Euro 6 heavy goods vehicles are mainly the D6K, D8K, D11K, D13K and D16K. The exhaust gas treatment system closely links the following elements: Engine management (ECU) and ACM computer (Aftertreatment Control Module) to the particulate filter and the AdBlue system. Here is a diagram representing the Euro 6 device fitted to Volvo trucks

7th injector

A specific diesel injector is used to the thermal management of the diesel oxidation catalyst. It also guarantees the efficiency of the diesel particulate filter and the proper functioning of the SCR system.

DOC Catalyst

DOC produces nitrogen dioxide (NO2) necessary for the diesel particulate filter to efficiently burn particles. A very low temperatures, it also provides the heat required for regeneration.


The filter captures and stores particles until their combustion during the regeneration. Regeneration takes place automatically, so that the driver has nothing to do.


In the mixing zone, the exhausts are sprayed with AdBlue. When they reach the catalyst, nitrogen oxides (NOX) are transformed into neutral nitrogen and in water. The ASC catalyst is the last step before the exhaust pipe. This is where any remaining ammonia (NH3) is removed.

Torque reduction, Speed limited to 20km/h

Discover the causes and solutions that can counter this error.

The speed limit of 20 km/h and the torque reduction are very restrictive for the driver. In fact, it is no longer possible to travel with the truck without endangering road traffic. This fault code can only be erased after solving your fault. In 90% of cases, this limitation is linked to a malfunction of the vehicle's polluting emissions processing system. Discover the elements generating this restriction below.

Faults in the AdBlue system can come from different sources.

  • 7th AdBlue injector: Seized up or faulty injector. The injection of Adblue is no longer possible in the system.
  • The DOC catalytic converter: Burnt, deteriorated or melted, it no longer allows optimized operation of the exhaust gas post-treatment system and can in the long term not clog the particle filter since regenerations are no longer carried out.
  • Particle filter: Clogged due to various causes. DOC catalytic converter problem, too frequent short trips and name automatic regeneration accomplished, there are multiple causes that can put your truck in power restriction. The P207F9A code linked to an AdBlue and Particulate Filter problem is the perfect example.
  • SCR & ASC: SCR catalyst failure, clogged or physically destroyed. NOx sensors can also cause SCR events managed by the vehicle's ACM control module.

Our solutions : Full programmation of EMS and ACM

Limp Mode Off and no more derates

Limp mode is one of the most restrictive modes which restricts you to a speed of 20kmh when your emission control system is faulty. Our box makes it possible to block the ADBLUE FAP system and REMOVE ALL THE LIMITATIONS in the computer. The box comes to connect directly in place of the original ACM.

Deactivation by programmation

Everything happens electronically. No additional element is connected to the vehicle. We proceed by complete reprogramming of the AdBlue system via the engine computer


  • Step 1: The current version of the engine ECU must correspond to a version that we can program. A software calculator version that is too recent does not allow us to intervene because we would not have the coding keys to validate the programming. To find out if your vehicle is eligible, you can contact us by providing us with the serial number of the vehicle. Our privileged access to the internal Volvo/Mack/Renault database allows us to know in real time the latest updates made.
  • Step 2: The vehicle can be fitted with the VEB retarder and hydraulic retarder taken from the gearbox. No restrictions on this.
  • Step 3: You can come to our workshop to carry out the operation if the previous conditions are met. We will connect through the EMS Socket of your Volvo Euro 6 truck to operate. If you are not located geographically close to our garage (near Rouen), we can operate remotely. For this we will have to send you our PC equipped with the required software as well as hardware against deposit. Once connected to the Internet, we will take control remotely to carry out the operation. All you have to do is turn the ignition on and off when prompted.
  • Step 4: Once the operation is complete, you will no longer have any fault codes relating to the AdBlue system. Everything will be electronically deleted from memory and permanently.
  • Step 5: It is very important to take note of this recommendation. Any vehicle updated at a Volvo dealership will be erased from our programming. The manufacturer update will be too recent for us to perform the delete operation again. As mentioned in step 1, if your software version was eligible for programming IT WILL NOT be eligible and you will lose our program and your investment in our solution. We cannot be held responsible for dealer update operations. Please specify this to the foreman if you know it or to the competent personnel, if necessary avoid visits to the manufacturer.

See below, One connector ACM, and 2 connectors EMS Module. We need to program both


We are aware that you do not want to inhibit your AdBlue device and it is completely legitimate. One to preserve the planet and two quite simply to comply with the legislation. However, you don't want to be stuck on the side of the road either, in power reduction mode with no solution other than to call the repairman and end up with a high bill, both by the repair itself and by the intervention on your AdBlue system in concession which is often around 3000€ and that is understandable.

On which models to act without removing Adblue?

In the majority of cases, the messages for power reduction in 8 hours, power reduction in 4 hours or even power reduction in 2 hours or power reduction on next start come from a fault present in your truck's emission control system. Very common on 11L D11K engines, and even more on those of 13L (D13K 420, 460, 500 and 540 engine) fitted to the Volvo FH 420, FH 460, FH 500 and FH 540 as well as some cases encountered on the Volvo FH16. , a little rarer because they benefit from a slightly different management of the gas recycling program. These defects are also present on Renault industrial vehicles which have borrowed the engine from the Nordic manufacturer. We are talking here about recurring problems on Renault T (T440, T460, T480, T500 and T520), of course under the Euro 6 standard.

Our jobs on Volvo Euro 6

Cause of the 20km/h limitation and fault P207F9A - Poor AdBlue quality

The truck's anti-pollution system is faulty, and will restrict the vehicle via the implementation in the computer of a program causing the truck to operate in degraded mode, completely limiting the traction force (torque), but also its maximum speed to 20 kmh , which means that the vehicle is unusable.

The problem mainly appears when the Adblue device is faulty. (problem on the Adblue injector or pump) this therefore produces an adblue dosing fault which therefore does not respect the quantities provided by the engine management module and therefore detects a poor quality of adblue. It often appears that the particle filter is faulty and requires replacing the cartridge depending on the fault code you have as well as the message. This can be confusing, because a message on your truck's dashboard indicating a fault in the quality of Adblue is actually, in the various cases we have encountered, linked to an overload of the particle filter or a fault present. on this one.

How to self-help and get out of the 20km/h limit?

Clear the fault immediately to restore power! How ?

Theoretically only the dealer or a garage equipped with the manufacturer's diagnostic kit is able to erase the faults. However, symptoms can recur very quickly; a few hours after erasure, or even after having driven a few kilometers, sometimes less than ten.

Following the resurgence of demand, we have developed a process for self-elimination of the fault before starting the vehicle. Removing the power reduction on heavy goods vehicles is now possible with Digiservices Normandie. Our mini case partly emulates that of the manufacturer when the technician launches the procedure for erasing the engine light, thus the truck regains its original power as well as its engine torque. The process is very simple, we have developed this system so that it adapts to all types of driver, from 18 to 65 years old (and more 🙂). The system is as simple as plugging in a 220V electrical outlet. No knowledge, hardware or diagnostics is required. Simply connect our system to the truck's OBD socket and our smart programmer will do the work for you as if you were in a dealership.

10s, Connect it's erased! Plug in, Switch on the ignition, Wait for the automatic process, Unplug, Switch off the ignition and START!!

This solution is an alternative allowing to make big savings by avoiding the safety of the truck. (troubleshooting, immobilization, waiting for a manufacturer's appointment, etc.) An in-depth diagnosis at the dealership (or with us in Normandy) is necessarily useful for diagnosing the exact origin of the problem, although the elements mentioned above are the most common. On the other hand, traveling tens of thousands of kilometers with a defective element on the truck is prohibited. We know how to act in most cases and have the troubleshooting solutions for your fleet.