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.
| OBD / FTB Code | Bosch DFC Monitor | Engineering decode | Manual section |
|---|---|---|---|
P0403 0x1C |
DFC_EGRVlvFailSafeActv |
EGR powerful individual implement device malfunction protect activate voltage exceed limit | §270 |
P0403 0x1C |
DFC_EGRVlvFailSafeActv |
EGR powerful individual implement device malfunction protect activate voltage exceed limit | §269 |
P0403 0x64 |
DFC_AirMonEGRRed |
EGR piping China amass dirt lead to again cycle exhaust gas measure lessen | §269 |
P0403 0x64 |
DFC_AirMonEGRRed |
EGR piping China amass dirt lead to again cycle exhaust gas measure lessen | §270 |
P0403 0xF0 |
DFC_EGRVlvTmpErr |
exhaust gas again cycle EGR powerful individual drive electric circuit loose or defective contact | §269 |
P0403 0xF1 |
DFC_EGRVlvCurrLim |
exhaust gas again cycle EGR powerful individual work an electric current be limited | §269 |
P0403 0xF1 |
DFC_EGRVlvCurrLim |
exhaust gas again cycle EGR powerful individual work an electric current be limited | §270 |
| 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. |
Yuchai 7H Engine DTC List: SPN, FMI, and Fault Code Descriptions (8p PDF) [#87448] | Yuchai / Yunnei / Quanchai / SDEC • OEM ECU & Electronic Modules | $35 • Open solution → |
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. |
Buick Regal 2.5L P0401 EGR Flow Insufficient Diagnosis and Repair Case Study (2p PDF) [#27071] | GM: Buick / Chevrolet / Cadillac • OEM ECU & Electronic Modules | $35 • Open solution → |
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. |
Weichai WISEC10 DTC Fault Code Table (China VI) - 66 Pages (66p PDF) [#28695] | Weichai • Weichai / Bosch WISE15 / WISEC10 / WISEC15 / Gas ECUs | $35 • Open solution → |
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. |
2024764-10- travel along a route period of time preheat indicator lamps glisten engine control unit (ECU) China hold in storage malfunction memory record P0403“ exhaust gas again circulatory system out of order ” - all 2.0l Common Rail engine .pdf | Audi • OEM ECU & Electronic Modules | $35 • Open solution → |
| DTC fault code | Vehicle brand | ECU family | Files found in database | Solution / Disable |
|---|---|---|---|---|
P0403 |
Audi ( A3 / A4 / A6 / A8 / Q5 / Q7) | Weichai / Bosch WISE15 / WISEC10 / WISEC15 / Gas ECUs | ROMs & map packs with this code: 17 files | Open disable files for P0403 → |