OBD2 / UDS DIAGNOSTIC TROUBLE CODE (DTC) & DFC MASK REFERENCE (WIKI LAYER 1) • 1,802 CODES

DTC Fault Code P1090 — DTC Fault Meaning, Limp Mode & ECU Firmware Deactivation (DTC OFF)

Search by diagnostic scanner fault code (e.g., P226D09, P2002F0, P24AEF2, P0401) to see which ECUs and calibration map packs (.KP / .A2L / .OLS) include verified DFC mask offsets for limp-free deactivation.

BOSCH DFC / FTB FACTORY SPECIFICATION IN DEALER MANUAL (MANUAL_DTC)2 RECORDS

OBD / FTB Code	Bosch DFC Monitor	Engineering Description	Manual Section
`P1090 0xF0`	`DFC_MoFModeEom`	electric control unit (ECU) interior software and hardware ground floor monitor to report an error (MoF)	§258
`P1090 0xF0`	`DFC_MoFModeEom`	electric control unit (ECU) interior software and hardware ground floor monitor to report an error (MoF)	§258

VERIFIED FIRMWARE (.BIN), MAP PACKS (.KP / .A2L) & SOLUTIONS FOR DTC P1090UNIQUE FILES: 4

Format	Solution File / DTC Mask Map Pack	Brand & ECU	Action
.E2P? .E2P — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics.	Na power Si Da .e2p	Cummins (ISF 2.8 / 3.8 / ISG / ISDe) • Cummins CM2220 / CM2880 / CM2150 / CM876	$110 • Open Solution →
.HEX? .HEX — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics.	DTS202001_V02.hex	Cummins (ISF 2.8 / 3.8 / ISG / ISDe) • Cummins CM2220 / CM2880 / CM2150 / CM876	$110 • Open Solution →
.A2L? .A2L — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics.	P1090_V52.4.8ns4.a2l	Cummins (ISF 2.8 / 3.8 / ISG / ISDe) • Cummins CM2220 / CM2880 / CM2150 / CM876	$190 • Open Solution →
.BIN? .BIN — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics.	Na power Si Da .bin	JAC (Dzhak Shuailing / Junling / Gallop) • OEM Body Electrical, Wiring & General Modules	$110 • Open Solution →

INDEXED DTC FAULT CODES IN VERIFIED FIRMWARE & MAP PACKSTOP DTC CODES

DTC Fault Code	Vehicle Brand	ECU Family	Matching Files in Vault	Solution / DTC OFF
`P1090`	Cummins (ISF 2.8 / 3.8 / ISG / ISDe)	Cummins CM2220 / CM2880 / CM2150 / CM876	ROMs & Map Packs with this DTC: 10 pcs	Open DTC OFF Files for P1090 →