DOCUMENT TECHNICAL CONTENTS & VERIFIED SCHEMATIC / PCB PREVIEW
VERIFIED ENGINEERING SPEC
High-resolution photograph of the internal circuit board of a Siemens 44 0L72A immobilizer unit. The board features a 7935 microcontroller and various passive components.
1. TECHNICAL PASSPORT & EXTRACTED ROM IDENTIFIERS (BINARY TRUTH)
SKU: ECU-657482
| Vehicle brand & model / Engine | BAIC / GAC Trumpchi / Hongqi / Brilliance |
|---|---|
| ECU family & processor (MCU) | IMMO / BCM / Keys (CAS / FEM / BDC / EIS / KESSY) / IMMO / Security MCU |
| Internal ROM project (Project ID) | — |
| Calibration identifier (STC) | — |
| Bosch software number (10SW / 1037) | — |
| Bosch hardware number (0281 / 0261) | — |
| Compatibility code block (CompID) | — |
| Engineering file name | Siemens 44 0L72A Immobilizer PCB with 7935 MCU [#657482] |
| Category / Package | boardview_pinout_img / immo-bcm-cas-key |
| Exact size & SHA-256 checksum | 783,973 bytes • 27899800caa677bd118c602ecaee2ce30a4fae35067cd4850c1abb25747d56bc |
3. FREQUENT ENGINEERING QUESTIONS ABOUT THIS FILE (SCHEMA.ORG FAQPAGE)
E-E-A-T INDEX
Q: Which ECU and engine is the file Siemens 44 0L72A Immobilizer PCB with 7935 MCU [#657482] (24, 2007, 7935, 02, 0L72A) for?
This engineering .PNG file targets the IMMO / BCM / Keys (CAS / FEM / BDC / EIS / KESSY) control unit (IMMO / Security MCU MCU) used on BAIC / GAC Trumpchi / Hongqi / Brilliance vehicles. Extracted ROM markers: 24, 2007, 7935, 02, 0L72A.
Q: Is the dump Siemens 44 0L72A Immobilizer PCB with 7935 MCU [#657482] verified for authenticity and checksums?
Yes. The automated ROM analyzer verified the size (783,973 bytes), the SHA-256 checksum (27899800caa677bd118c602e) and the internal firmware project identity (IMMO / BCM / Keys (CAS / FEM / BDC / EIS / KESSY)).
Q: What wiring diagrams, pinouts and fault codes are inside the document Siemens 44 0L72A Immobilizer PCB with 7935 MCU [#657482]?
This technical document (Siemens 44 0L72A Immobilizer PCB with 7935 MCU [#657482]) contains wiring diagrams, ECU connector pinouts for IMMO / BCM / Keys (CAS / FEM / BDC / EIS / KESSY) and diagnostic test procedures for BAIC / GAC Trumpchi / Hongqi / Brilliance .
4. ALL RELATED FILES OF THIS FOLDER, BRAND & ECU (FIRMWARE, MAPS, DIAGRAMS, CODING & VIDEOS)
BUNDLE: immo-bcm-cas-key
WHOLESALE PACK -91% (ALL FILES AT ONCE)
DEDUPLICATED • VERIFIED (COPIES REMOVED: 9)
Download the whole set of related files (32 unique files in one archive)
Individually, all 18 paid files cost $1,810. Buying the whole pack applies the wholesale discount -91% (save $1,645) + 14 free diagrams/photos!
Retail total: $1,810
$165
Sibling files from the same folder / kit (12)
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Firmware & Stock ROMs (.BIN / .HEX / .FRF) (10)
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WinOLS & Damos Maps (.A2L / .KP / .OLS) (7)
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.OLS? .OLS — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | BAIC Beijing BJ40 CN6 (Euro-6) P2046_CS089_BAIC_V100_TS13 Precision Damos KP Map Pack.OLS winols_ols • 9,152,999 bytes | $165 Open → |
.OLS? .OLS — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | BAIC Beijing BJ40 CN6 (Euro-6) P2046_CS089_BAIC_V100_TS13 Precision Damos KP Map Pack.ols winols_ols • 9,148,641 bytes | $165 Open → |
.KP? .KP — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | BAIC Beijing BJ40 CN6 (Euro-6) P2046_CS089_BAIC_V100_TS13 Precision Damos KP Map Pack.KP mappack_kp • 91,726 bytes | $145 Open → |
.KP? .KP — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | BAIC Beijing BJ40 CN6 (Euro-6) P2046_CS089_BAIC_V100_TS13 Precision Damos KP Map Pack.kp mappack_kp • 88,170 bytes | $145 Open → |
.KP? .KP — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P2046_CS089_BAIC_V100_TS13.kp mappack_kp • 25,639 bytes | $145 Open → |
.KP? .KP — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P2046_CS089_BAIC_V100_TS13.kp mappack_kp • 13,224 bytes | $145 Open → |
Manuals, Diagrams & Photos (.PDF / .PNG) (2)
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.PNG? .PNG — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | Siemens 44-7935 Chip 0L72A Immobilizer System Analysis Hex Dump [#599075] boardview_pinout_img • 326,381 bytes | FREE Open → |
Video Courses & Teardowns (.MP4) (1)
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