1. TECHNICAL PASSPORT & EXTRACTED ROM IDENTIFIERS (BINARY TRUTH)
SKU: ECU-77831
| Vehicle Make & Engine Code | Yuchai / Yunnei / Quanchai / SDEC (YUchay / YUnney / TSyuanchay / SHanchay) |
|---|---|
| ECU Family & Microcontroller (MCU) | Bosch EDC17CV44 / EDC17CV54 / EDC17C81 / EDC17C53 / Infineon TriCore TC1767 / TC1797 |
| Embedded ROM Project ID | P1686_EDC17C81_V400, P1686_EDC17C81_V400\P1686_EDC17C81_V400.a2l, P1686_EDC17C81_V400\P1686_EDC17C81_V400.hex |
| Calibration Identifier (STC) | — |
| Bosch Software Number (10SW / 1037) | — |
| Bosch Hardware Number (0281 / 0261) | — |
| Compatibility Code Block (CompID) | — |
| Engineering File Name | P1686_EDC17C81_V400.rar |
| Category / Software Bundle | archive_pack / bosch-edc17cv44-c81 |
| Exact Byte Size & SHA-256 Checksum | 2,537,985 bytes • a6ed3e6ed2e34778be4284f681492fcb162e4800169f7f2b2c46baa40ffbbf5a |
2B. UNPACKED ARCHIVE CONTENTS (.RAR / .ZIP / .7Z)
VLOZHENNYKH FAYLOV: 2
| Format | Extracted Member File | Size |
|---|---|---|
| .A2L | P1686_EDC17C81_V400/P1686_EDC17C81_V400.a2l | 14,041,103 bytes |
| .HEX | P1686_EDC17C81_V400/P1686_EDC17C81_V400.hex | 7,242,451 bytes |
3. FREQUENTLY ASKED ENGINEERING QUESTIONS (SCHEMA.ORG FAQPAGE)
E-E-A-T INDEX
Q: Which ECU and engine is the file P1686_EDC17C81_V400.rar (P1686_EDC17C81_V400)?
This verified engineering .RAR file is designed for the Bosch EDC17CV44 / EDC17CV54 / EDC17C81 / EDC17C53 control unit (MCU Infineon TriCore TC1767 / TC1797) on Yuchai / Yunnei / Quanchai / SDEC (YUchay / YUnney / TSyuanchay / SHanchay) vehicles. Extracted ROM identifiers: P1686_EDC17C81_V400.
Q: Is the dump P1686_EDC17C81_V400.rar verified for authenticity and checksum integrity?
Yes. Our automated binary analyzer verified the exact file size (2,537,985 bytes), SHA-256 cryptographic hash (a6ed3e6ed2e34778be4284f6), and embedded firmware passport markers (P1686_EDC17C81_V400, P1686_EDC17C81_V400\P1686_EDC17C81_V400.a2l, P1686_EDC17C81_V400\P1686_EDC17C81_V400.hex).
Q: Can I order a custom Stage-1 or emissions off (DPF / SCR / EGR / Euro-2) calibration based on P1686_EDC17C81_V400?
Yes. Based on software P1686_EDC17C81_V400), a custom Stage-1, Euro-2, or DPF/SCR/EGR OFF calibration is available with full checksum recalculation and factory engine protection monitors preserved.
4. ALL LINKED FILES FOR THIS FOLDER, BRAND & ECU (ROMS, MAPS, SCHEMATICS & CODING)
BUNDLE: bosch-edc17cv44-c81
WHOLESALE BUNDLE -95% (ALL LINKED FILES)
DEDUPLICATED • VERIFIED (DUPLICATES REMOVED: 2)
Download Complete Set of Linked Engineering Files (25 unique files in one archive)
Purchased individually, all 25 paid files cost $3,375. Buy the complete bundle with wholesale discount -95% (save $3,210) + 0 diagrams/photos FREE!
Retail Total: $3,375
$165
Same-Folder / Bundle Sibling Files (2)
.A2L? .A2L — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P1686_EDC17C81_V400.a2l damos_a2l • 14,041,103 bytes | $190 Open → |
.HEX? .HEX — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P1686_EDC17C81_V400.hex firmware_bin • 7,242,451 bytes | $110 Open → |
Firmware & Stock ROMs (.BIN / .HEX / .FRF) (9)
.HEX? .HEX — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P1686_EDC17C81_V301.hex firmware_bin • 7,239,604 bytes | $110 Open → |
.HEX? .HEX — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P1852_EDC17C81_V100.hex firmware_bin • 7,237,316 bytes | $110 Open → |
.HEX? .HEX — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 9705 Yunnei 4 165 Guo 5 have 0 Yunnei Power EDC17_ Stage 1 Power Optimization.hex firmware_bin • 4,416,053 bytes | $110 Open → |
.HEX? .HEX — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 82K 82K 82K 82K 82K 82K 82K Yunnei Power EDC17 P1187762_ Aftertreatment SCR/DPF Optimization _ Stage 1 Power Optimization.hex firmware_bin • 4,416,053 bytes | $110 Open → |
.HEX? .HEX — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 8680A small lucky fertile Yuchai Yuchai 260 HP Guo 4 inclined AdBlue Dosing Pump Original Vehicle Read Stock think change HP 280 that level or higher Yuchai EDC17 P1072742_ Aftertreatment SCR/DPF Optimization.hex firmware_bin • 4,416,053 bytes | $110 Open → |
.HEX? .HEX — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 82K 82K 82K 82K 82K 82K 82K Yunnei Power EDC17 P1187762_ Aftertreatment SCR/DPF Optimization.hex firmware_bin • 4,416,053 bytes | $110 Open → |
.HEX? .HEX — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 692s5 Yunnei 4 jar 110 CN4 (Euro-4) Heng and Yunnei Power EDC17 P1187762_ Aftertreatment SCR/DPF Optimization.hex firmware_bin • 4,416,053 bytes | $110 Open → |
.HEX? .HEX — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 8107 Yuchai 6 210 4 6 6 Yuchai EDC17 P1072742_ Aftertreatment SCR/DPF Optimization _ Stage 1 Power Optimization.hex firmware_bin • 4,416,053 bytes | $110 Open → |
.HEX? .HEX — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 420 420 420 420 420 420 420 Yuchai EDC17 P1382771_ Aftertreatment SCR/DPF Optimization.hex firmware_bin • 4,416,053 bytes | $110 Open → |
WinOLS & Damos Maps (.A2L / .KP / .OLS) (9)
.A2L? .A2L — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P1687_QUANCHAI_4B2_CN5_V400.a2l damos_a2l • 15,090,507 bytes | $190 Open → |
.A2L? .A2L — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P1687_QUANCHAI_4B2_CN5_V300-new.a2l damos_a2l • 14,989,536 bytes | $190 Open → |
.A2L? .A2L — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P1686_EDC17C81_V200.a2l damos_a2l • 14,104,433 bytes | $190 Open → |
.A2L? .A2L — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P1686_EDC17C81_V301.a2l damos_a2l • 13,971,986 bytes | $190 Open → |
.A2L? .A2L — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P1852_EDC17C81_V100.a2l damos_a2l • 13,106,184 bytes | $190 Open → |
.A2L? .A2L — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P1612-256.a2l damos_a2l • 12,700,470 bytes | $190 Open → |
.A2L? .A2L — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P_1073_7_6_0_FULL_SCR.a2l damos_a2l • 12,652,327 bytes | $190 Open → |
.A2L? .A2L — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P1073_V742_FF_SCR_.a2l damos_a2l • 12,035,201 bytes | $190 Open → |
.A2L? .A2L — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P1108760.a2l damos_a2l • 11,966,223 bytes | $190 Open → |
Coding, Utilities & Archives (.XML / .ZIP / .RAR / .7Z / .ISO) (5)
.RAR? .RAR — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P1686_EDC17C81_V301.rar archive_pack • 2,519,240 bytes | $75 Open → |
.ZIP? .ZIP — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | CN6 (Euro-6) ECI system diagnostics software 4G-Display-20200402-464A Volume.zip archive_pack • 28,994,171 bytes | $75 Open → |
.ZIP? .ZIP — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | CN6 (Euro-6) ECI system diagnostics software 4G-Display-20200828-489B ver. keep in the mouth register PIN / Password.zip archive_pack • 24,067,632 bytes | $75 Open → |
.ZIP? .ZIP — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | CN6 (Euro-6) ECI system diagnostics software 4G-Display-20200727-482A ver. keep in the mouth register PIN / Password.zip archive_pack • 24,038,170 bytes | $75 Open → |
.RAR? .RAR — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | CN6 (Euro-6) ECI system diagnostics software 4G-Display-20200604-477B.rar archive_pack • 23,663,499 bytes | $75 Open → |