Honda ECU coverage
- Supported ECUs
- 6
- Vehicle models
- 4
- Vehicle variants
- 118
- Mapped DTC codes
- 3,200
Map Decoder links 6 control units to Honda vehicles, covering 118 recorded engine variants. Every pairing below comes from a real file record — no vehicle-to-ECU relation is assumed.
Solutions available on Honda ECUs
Availability differs per control unit. Each solution below opens the Honda coverage page for that operation.
Honda solutions in detail
Each page lists the exact ECUs and engine variants that can take the operation.
- Honda Lambda / O26 ECUs · 89 variants
- Honda MAF Off6 ECUs · 89 variants
- Honda Throttle Valve (TVA)6 ECUs · 89 variants
- Honda DPF Off5 ECUs · 73 variants
- Honda EGR Off5 ECUs · 73 variants
- Honda Catalyst Off1 ECUs · 16 variants
Honda ECUs in detail
Each page lists the exact engine variants that carry the control unit.
- Bosch EDC17C5831 variants
- Bosch EDC16C3124 variants
- Bosch EDC17CP1619 variants
- Bosch EDC17CP0616 variants
- Bosch MED17.9.316 variants
- Bosch EDC17CP5012 variants
Honda ECU tuning — frequently asked questions
Which ECUs are used in Honda vehicles?
Map Decoder has data for 6 control units fitted to Honda vehicles, built by Bosch.
What can Map Decoder do on a Honda file?
Across Honda ECUs the validated operations are Catalyst Off, DPF Off, EGR Off, Lambda / O2, MAF Off and Throttle Valve (TVA). Availability depends on the exact ECU.
How do I know which ECU my Honda 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 Honda ECU files
Map Decoder analyses Honda ECU files, detects the maps and generates a verified patch with the checksum corrected.