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 |
|---|---|---|---|
P20BD 0x11 |
DFC_UHtrPLSCG |
AdBlue / SCR Urea System pressure piping heat relay control tip targeted short circuit malfunction | §375 |
P20BD 0x11 |
DFC_UHtrPLSCG |
AdBlue / SCR Urea System pressure piping heat relay control tip targeted short circuit malfunction | §381 |
P20BD 0x12 |
DFC_UHtrPLSCB |
AdBlue / SCR Urea System pressure piping heat relay control tip right electric power source short circuit malfunction | §381 |
P20BD 0x12 |
DFC_UHtrPLSCB |
AdBlue / SCR Urea System pressure piping heat relay control tip right electric power source short circuit malfunction | §375 |
P20BD 0x13 |
DFC_UHtrPLOL |
AdBlue / SCR Urea System pressure piping heat relay control tip open up a path malfunction | §375 |
P20BD 0x13 |
DFC_UHtrPLOL |
AdBlue / SCR Urea System pressure piping heat relay control tip open up a path malfunction | §381 |
P20BD 0x84 |
DFC_UHtrPLPhyRngLoDiagU |
originate in HCU heat voltage signal surpass term small rational value range | §427 |
P20BD 0x84 |
DFC_UHtrPLPhyRngLoDiagU |
originate in HCU heat voltage signal surpass term small rational value range | §434 |
P20BD 0x85 |
DFC_UHtrPLPhyRngHiDiagU |
originate in HCU heat voltage signal surpass term big rational value range | §427 |
P20BD 0x85 |
DFC_UHtrPLPhyRngHiDiagU |
originate in HCU heat voltage signal surpass term big rational value range | §434 |
| 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. |
Bosch EDC17C81 Urea Pressure Pipe Heating Relay DTC P20BD Troubleshooting Guide (102p PDF) [#52225] | Multi-Brand / Universal Automotive Systems • Bosch EDC17CV44 / EDC17CV54 / EDC17C81 / EDC17C53 | $35 • Open solution → |
| DTC fault code | Vehicle brand | ECU family | Files found in database | Solution / Disable |
|---|---|---|---|---|
P20BD |
Bosch EDC17CV44 / EDC17CV54 / EDC17C81 / EDC17C53 | ROMs & map packs with this code: 2 files | Open disable files for P20BD → |