The Diesel Particulate Filter (DPF) is an essential component of modern diesel vehicles, including the 2012 VW Passat TDI. Over time, the DPF can become clogged with soot and other particles, leading to decreased engine performance and increased emissions. To restore optimal functionality, a process called DPF regeneration is required. In this article, we will guide you through the steps of performing DPF regeneration using the Launch X431 Pro5 diagnostic tool.
Launch X431 Pro5 with the “Intelligent diagnose” function can do DPF Regen. on a 2012 VW Passat TDI perfectly. This article will show How to Do DPF Regen on 2012 VW Passat TDI with Launch X431 Pro5.
Check the details below.
Step 1: Enable vehicle communication
Connect SmartBox 3.0 and vehicle’s DLC via the OBDII extension cable
Connect X-431 Pro5 diagnostic tool and SmartBox 3.0 via Bluetooth
Step 2: Identify vehicle info
Enter X431 Pro5 main menu
Tap Intelligent Diagnose
It will connect VCI…read VIN…decode VIN.
Automatically detect the vehicle info successfully. It’s 2012 VOLKSWAGEN Passat.
Click “Diagnostic”
Step 3: Regen DPF
Select Special Function>> DPF Regeneration
X-431 Prog 5 will identify vehicle characteristics…
Select the engine type and tap “Start”
Tap “01-Particle Filter Service Regeneration (Repair Group 26)”
1.Note on function test:
It will perform the following steps:
Evaluation of event memory entries that prevent regeneration service regeneration of diesel particulate filter
Test Requirement:
- Fuel Tank level: At Least 1/4 Full
- Vehicles with automatic transmission: Selection Lever in position P
- Vehicles with Manual Transmission: Selection lever in a neutral position
- Activate Parking Brake!
- Hood Closed!
- Switch on electrical consumers
Click “Continue/Complete”
Confirm if the Neutral gear engaged (manual transmission) and the selector lever in position P (Automatic transmission)
Click “Yes”
Confirm if the parking brake applied
Click “Yes”
Confirm if hood is closed
Click “Yes”
Confirm if the electrical consumer is switched on
Click “Yes”
2.Read the safety instructions
Click “Continue/Complete”
3.Check event memory
Click “Continue/Complete”
There are no entries in the engine control module- J623 that require a regeneration of the particulate filter. End the test?
Click “No”
4.Evaluation during idling
Allow the engine to run at idle…
Release accelerator pedal
Test successfully
Click “Continue/Complete”
5.Heat up exhaust system
Click “Continue/Complete”
6.Note
It is not necessary to permanently press the pedals during the following basic setting.
Remain at the vehicle during the entire duration of the basic setting for safety reasons.
Click “Continue/Complete”
7.Initiate Regeneration
Depress Brake Pedal
Depress Accelerator Pedal Fully
Regeneration is running
The regeneration can be canceled by pressing the Continue button
Done!
Conclusion:
Performing DPF regeneration on a 2012 VW Passat TDI using the Launch X431 Pro5 diagnostic tool is a straightforward process that can help restore optimal performance to your vehicle. By following the steps outlined in this guide, you can efficiently and effectively clear the DPF of accumulated soot, ensuring a smoother and more environmentally-friendly driving experience. More informaiton about VW, please visit VW Trouble Repair.
