ECU overview
- ECU manufacturer
- Visteon
- ECU family
- Standalone model
- ECU model
- DCU102
- Supported solutions
- 2
- Mapped DTC codes
- —
The Visteon DCU102 is a control unit produced by Visteon. In the Map Decoder database it is linked to Ford, Citroen, Peugeot and Fiat vehicles. Coverage for this ECU is built from 7 stored modifications learned on real original and modified files.
What Map Decoder can do on a DCU102 file
Every operation below is backed by a stored, verified modification for DCU102. Nothing is listed that the software cannot actually perform on this ECU.
EGR Off
Disables exhaust gas recirculation control in DCU102 calibrations, including the related fault reporting.
Throttle Valve (TVA)
Disables throttle valve actuator control and monitoring in DCU102.
Map detection and patch generation for DCU102
Map detection
Upload an original DCU102 read. Map Decoder locates the relevant calibration tables automatically instead of relying on a fixed address list, so files from different software versions are handled.
Patch generation
A stored modification is only offered when it fits your binary. Region similarity and anchor signatures are checked against the uploaded file first, so a change learned on one software version is never blindly written to another.
Checksum correction
Checksums covering the regions a patch touches are recalculated as part of patch generation, so the ECU accepts the modified flash.
DCU102 solutions by vehicle brand
- Ford EGR Off25 ECUs · 445 variants
- Peugeot EGR Off19 ECUs · 443 variants
- Citroen EGR Off19 ECUs · 440 variants
- Peugeot Throttle Valve (TVA)18 ECUs · 430 variants
- Citroen Throttle Valve (TVA)18 ECUs · 423 variants
- Fiat Throttle Valve (TVA)13 ECUs · 269 variants
- Fiat EGR Off16 ECUs · 236 variants
- Ford Throttle Valve (TVA)9 ECUs · 233 variants
Visteon DCU102 — frequently asked questions
What is the Visteon DCU102?
The DCU102 is an engine control unit produced by Visteon. It is used in Citroen, Fiat, Ford and Peugeot vehicles.
Can Map Decoder identify maps in DCU102 files?
Yes. Upload an original read and the relevant calibration tables are located automatically. The result is verified against the binary before any patch is offered, so a mismatched file is rejected rather than silently patched.
Which operations are supported for the Visteon DCU102?
Validated operations for this ECU: EGR Off and Throttle Valve (TVA). They come from 7 stored modifications learned on real files.
Does Map Decoder correct the checksum after patching a DCU102 file?
Yes. Checksums covering the regions a patch changes are recalculated during patch generation, so the modified file is accepted by the ECU.
Work on Visteon DCU102 files
Map Decoder analyses Visteon DCU102 files, detects the maps and generates a verified patch with the checksum corrected.