Search by diagnostic fault code (e.g. P226D09, P2002F0, P24AEF2, P0401): shows in which ECUs and map packs (.KP / .A2L / .OLS) this code is already mapped for a safe, limp-free disable.
| Format | Solution file / DTC mask map | Brand & ECU | Link |
|---|---|---|---|
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. |
BYD K9 Bus Front and Rear Auxiliary Controller Repair Manual (6p PDF) [#136060] | BYD • EV / Hybrid Batteries BMS, Inverters MCU, VCU Electric Vehicles (EV) | $35 • Open solution → |
| DTC fault code | Vehicle brand | ECU family | Files found in database | Solution / Disable |
|---|---|---|---|---|
U0253 |
BYD ( Han / Tang / Song / Qin / Dolphin) | EV / Hybrid Batteries BMS, Inverters MCU, VCU Electric Vehicles (EV) | ROMs & map packs with this code: 1 files | Open disable files for U0253 → |