DOCUMENT TECHNICAL CONTENTS & VERIFIED SCHEMATIC / PCB PREVIEW
VERIFIED ENGINEERING SPEC
This 3-page technical case study details the diagnosis of a Buick Regal BCM failure causing remote keyless entry loss. It covers the internal circuit analysis, identification of a burnt transistor, and the specific DTC codes (B1003, B1349, B1477) retrieved via the TECH2 diagnostic tool.
WHAT IS INSIDE THIS DOCUMENT (CIRCUITS, PINOUTS & SECTIONS):
- Remote keyless entry system architecture
- BCM internal circuit failure diagnosis
- RFA receiver and data line 377 analysis
- TECH2 diagnostic tool DTC retrieval
- SRS airbag module reprogramming
1. TECHNICAL PASSPORT & EXTRACTED ROM IDENTIFIERS (BINARY TRUTH)
SKU: ECU-116492
| Vehicle brand & model / Engine | GM: Buick / Chevrolet / Cadillac |
|---|---|
| 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 | Buick Regal BCM Failure: Remote Keyless Entry Diagnosis and Repair (3p PDF) [#116492] |
| Category / Package | manual_pdf / immo-bcm-cas-key |
| Exact size & SHA-256 checksum | 706,214 bytes • 8a04d18c1d3409539a29f1b11cfe9473f0d431f930588e0aa240f5bedfa01669 |
3. FREQUENT ENGINEERING QUESTIONS ABOUT THIS FILE (SCHEMA.ORG FAQPAGE)
E-E-A-T INDEX
Q: Which ECU and engine is the file Buick Regal BCM Failure: Remote Keyless Entry Diagnosis and Repair (3p PDF) [#116492] (B1001, TECH2, BCM, B1477, B1349, B1003) for?
This engineering .PDF file targets the IMMO / BCM / Keys (CAS / FEM / BDC / EIS / KESSY) control unit (IMMO / Security MCU MCU) used on GM: Buick / Chevrolet / Cadillac vehicles. Extracted ROM markers: B1001, TECH2, BCM, B1477, B1349, B1003.
Q: Is the dump Buick Regal BCM Failure: Remote Keyless Entry Diagnosis and Repair (3p PDF) [#116492] verified for authenticity and checksums?
Yes. The automated ROM analyzer verified the size (706,214 bytes), the SHA-256 checksum (8a04d18c1d3409539a29f1b1) 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 Buick Regal BCM Failure: Remote Keyless Entry Diagnosis and Repair (3p PDF) [#116492]?
This technical document (Buick Regal BCM Failure: Remote Keyless Entry Diagnosis and Repair (3p PDF) [#116492]) contains wiring diagrams, ECU connector pinouts for IMMO / BCM / Keys (CAS / FEM / BDC / EIS / KESSY) and diagnostic test procedures for GM: Buick / Chevrolet / Cadillac .
4. ALL RELATED FILES OF THIS FOLDER, BRAND & ECU (FIRMWARE, MAPS, DIAGRAMS, CODING & VIDEOS)
BUNDLE: immo-bcm-cas-key
WHOLESALE PACK -92% (ALL FILES AT ONCE)
DEDUPLICATED • VERIFIED (COPIES REMOVED: 5)
Download the whole set of related files (33 unique files in one archive)
Individually, all 33 paid files cost $1,945. Buying the whole pack applies the wholesale discount -92% (save $1,780) + 0 free diagrams/photos!
Retail total: $1,945
$165
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