ECU Tune Tools

Professional binary-level ECU editing โ€” 100% browser-side, no data leaves your device

Local Only 50+ ECU Families Petrol Focus
Professional Use Only: Removing DTC codes suppresses fault monitoring. For emission-compliant tuning, race/track use, or diagnostics only. Always back up your original file.
Step 1 โ€” Load ECU Binary
Drop ECU binary here or click to browse
.bin  ยท  .hex  ยท  .ori  ยท  .rom  ยท  .mod
Step 2 โ€” Select ECU Family
Step 3 โ€” Enter DTC Codes to Remove
Quick Presets:
0 codes queued
Step 4 โ€” Patch Method
Scan Statistics
โ€”
Codes Queued
โ€”
Found in BIN
โ€”
Not Found
โ€”
Patched
Scan Results
Load a file and run Scan to see results
Operation Log
Ready. Load a BIN file and select DTC codes.
EGR Delete: Scans for EGR control tables, duty-cycle maps, and related DTC codes. Suitable for race applications where EGR system is physically removed.
ECU Binary File
Drop ECU BIN or click
.bin .ori .rom .mod
ECU Family
EGR Delete Scope
EGR Tables Found
Awaiting scan
EGR DTC Codes (P0400โ€“P0409) โ€” What will be removed
P0400 โ€” EGR Flow Malfunction
P0401 โ€” EGR Flow Insufficient
P0402 โ€” EGR Flow Excessive
P0403 โ€” EGR Circuit Malfunction
P0404 โ€” EGR Circuit Range/Perf
P0405 โ€” EGR Sensor A Circuit Low
P0406 โ€” EGR Sensor A Circuit High
P0407 โ€” EGR Sensor B Circuit Low
P0408 โ€” EGR Sensor B Circuit High
P0409 โ€” EGR Sensor A Circuit
Log
Ready.
DPF/GPF Delete: For vehicles where DPF/GPF has been physically removed. Zeros regen cycles, soot load model, back-pressure maps and suppresses related fault codes.
ECU Binary
Drop ECU BIN or click
.bin .ori .rom .mod
Filter Type
Delete Scope
DPF/GPF DTC Codes Reference
P2002Particulate Filter Efficiency Low (B1)
P2003Particulate Filter Efficiency Low (B2)
P242FDPF Restriction โ€” Ash Accumulation
P2452DPF Pressure Sensor A Circuit
P2453DPF Pressure Sensor A Range/Perf
P2454DPF Pressure Sensor A Circuit Low
P2455DPF Pressure Sensor A Circuit High
P2458DPF Regeneration Duration
P2459DPF Regeneration Frequency
P244ADPF Restriction โ€” Soot
P244BDPF Pressure Too High
P0380Glow Plug/Heater Circuit A
Scan Results
Awaiting scan
Log
Ready.
Speed Limiter Removal: Modifies the VSS threshold bytes in the ECU map. For track/racing use only. Always verify results with a road dyno after modification.
ECU Binary
Drop ECU BIN or click
.bin .ori .rom .mod
ECU Family & Speed Encoding
Target Speed Limit
km/h
Bytes (LE): โ€” Bytes (BE): โ€”
Speed Visualization
โˆž km/h limit
โ€” Original Unlimited New
Scan Results
Awaiting scan
Log
Ready. Select ECU and load file.
O2/Lambda Delete: Disables downstream O2 feedback, wideband lambda correction, or switches to open-loop fuelling. Removes catalyst and O2-related fault codes.
ECU Binary
Drop ECU BIN or click
.bin .ori .rom .mod
O2 Delete Mode
Downstream Delete
Remove only post-cat (B1S2 + B2S2) feedback. Safest option โ€” pre-cat remains active.
Wideband Emulation
Replaces narrowband trims with fixed stoichiometric value (ฮป=1.00). Use with external WB controller.
Full Open Loop
Disables all closed-loop O2 trims. ECU uses base fuel map only. For standalone/motorsport.
O2/Catalyst DTC Codes to Remove
O2 Sensor Map Reference
B1S1 โ€” Bank 1, Sensor 1 (upstream/pre-cat, wideband)
B1S2 โ€” Bank 1, Sensor 2 (downstream/post-cat, narrowband)
B2S1 โ€” Bank 2, Sensor 1 (upstream, V-engines only)
B2S2 โ€” Bank 2, Sensor 2 (downstream, V-engines only)
Downstream delete โ†’ removes B1S2 + B2S2 only
Open loop โ†’ all O2 feedback disabled
Scan Results
Awaiting scan
Log
Ready.
IMMO/Adblue: Immobilizer off for ECU bench repair/testing only. Adblue delete for race/dyno applications. For emergency engine-out diagnostics.
ECU Binary
Drop ECU BIN or click
Operation Type
IMMO System Detection
โ€ข Kefico (Hyundai/Kia): Transponder code check @ fixed offset
โ€ข Bosch ME7.5/MED17: IMMO handshake bytes in ROM
โ€ข Siemens SIM2K/SIM271: Rolling code authentication table
โ€ข Delco E38/E67: BCM security challenge-response
โ€ข Denso/Keihin: Key transponder validation map
โ€ข Hitachi (Nissan): NATS (Nissan Anti-Theft System) bytes
IMMO DTC Codes (P/B series)
P1260Anti-Theft Input Signal
P1601PCM-TCM Serial Communication Error
P1630Theft Deterrent โ€” Learn Mode Active
P1631Theft Deterrent Password Incorrect
B1001IMMO ECU Processor Error
U0101Lost Communication With TCM (IMMO bus)
Scan Results
Awaiting scan
Log
Ready.