VW ECU coverage
- Supported ECUs
- 44
- Vehicle models
- 4
- Vehicle variants
- 100
- Mapped DTC codes
- 28,749
Map Decoder links 44 control units to VW vehicles, covering 100 recorded engine variants. Every pairing below comes from a real file record — no vehicle-to-ECU relation is assumed.
Solutions available on VW ECUs
Availability differs per control unit. Each solution below opens the VW coverage page for that operation.
VW solutions in detail
Each page lists the exact ECUs and engine variants that can take the operation.
- VW Lambda / O235 ECUs · 67 variants
- VW Throttle Valve (TVA)29 ECUs · 56 variants
- VW DPF Off24 ECUs · 47 variants
- VW EGR Off25 ECUs · 41 variants
- VW NOx Off15 ECUs · 33 variants
- VW MAF Off13 ECUs · 30 variants
- VW AdBlue / SCR Off13 ECUs · 26 variants
- VW Catalyst Off14 ECUs · 23 variants
- VW Speed Limiter (VMAX) Off6 ECUs · 18 variants
- VW Stage 18 ECUs · 16 variants
VW ECUs in detail
Each page lists the exact engine variants that carry the control unit.
- Bosch EDC17C469 variants
- Bosch EDC17C549 variants
- Bosch EDC17CP209 variants
- Continental SIMOS189 variants
- Bosch EDC17C648 variants
- Bosch EDC17CP547 variants
- Bosch MD1CS0047 variants
- Bosch MED17.5.257 variants
- Bosch EDC16CP346 variants
- Bosch EDC17C744 variants
- Bosch MED17.5.24 variants
- Bosch MG1CS0014 variants
- Continental PCR2.14 variants
- Bosch MG1CS1113 variants
Other ECUs found in VW vehicles
Fewer recorded variants, so these link straight to the ECU page.
- Bosch MD1CP0612 variants
- Bosch MG1CS0112 variants
- Bosch EDC17CP141 variants
- Bosch EDC17CP441 variants
- Bosch EDC17CP741 variants
- Bosch MED17.1.61 variants
- Bosch MED17.5.201 variants
- Bosch MED17.5.211 variants
- Delphi DCM3.7
- Delphi DCM6.2
- Bosch EDC15P
- Bosch EDC16C4
- Bosch EDC16U1
- Bosch EDC16U31
- Bosch EDC16U34
- Bosch EDC17CP04
- Bosch EDC17CP24
- Bosch EDC17U01
- Bosch MD1CP004
- Bosch MD1CP014
- Bosch MD1CS014
- Bosch MD1CS027
- Bosch MED17.1.1
- Bosch MED17.5.5
- Bosch MED9.5.10
- Bosch MG1CS002
- Bosch MG1CS008
- Bosch MG1CS031
- Bosch MG1CS163
- Siemens PPD1.2
VW ECU tuning — frequently asked questions
Which ECUs are used in VW vehicles?
Map Decoder has data for 44 control units fitted to VW vehicles, built by Bosch, Continental, Delphi and Siemens.
What can Map Decoder do on a VW file?
Across VW ECUs the validated operations are AdBlue / SCR Off, Additive (Eolys) Off, Catalyst Off, DPF Off, EGR Off, Lambda / O2, MAF Off, NOx Off, OPF / GPF Off, Speed Limiter (VMAX) Off, Stage 1, Start-Stop Off and Throttle Valve (TVA). Availability depends on the exact ECU.
How do I know which ECU my VW has?
Upload the original read — Map Decoder identifies the control unit from the binary itself, so you do not need to know the ECU part number in advance.
Work on VW ECU files
Map Decoder analyses VW ECU files, detects the maps and generates a verified patch with the checksum corrected.