DOCUMENT TECHNICAL CONTENTS & VERIFIED SCHEMATIC / PCB PREVIEW
VERIFIED ENGINEERING SPEC
This 1-page technical case study details a repair for a 2012 Buick Excelle 1.6 where the vehicle failed to enter security mode after remote locking. It explains the diagnostic process for the driver-side lock cylinder signal and the specific repair method used to restore the alarm function.
WHAT IS INSIDE THIS DOCUMENT (CIRCUITS, PINOUTS & SECTIONS):
- Fault description: Remote lock fails to arm security system
- System components: BCM, door switches, and lock cylinders
- Diagnostic logic: Signal tracing for driver-side lock cylinder
- Repair procedure: Bypassing the faulty switch with a fused wire
- Visual evidence: Photo of the damaged lock block
1. TECHNICAL PASSPORT & EXTRACTED ROM IDENTIFIERS (BINARY TRUTH)
SKU: ECU-156027
| 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 Excelle 1.6: Remote Lock Fails to Arm Security System Repair Case (1p PDF) [#156027] |
| Category / Package | manual_pdf / immo-bcm-cas-key |
| Exact size & SHA-256 checksum | 249,775 bytes • 6815042bf0c9a7e42752f8d17c433e16dcaa7f2831c41324a83f693ebe24a160 |
3. FREQUENT ENGINEERING QUESTIONS ABOUT THIS FILE (SCHEMA.ORG FAQPAGE)
E-E-A-T INDEX
Q: Which ECU and engine is the file Buick Excelle 1.6: Remote Lock Fails to Arm Security System Repair Case (1p PDF) [#156027] (Buick Excelle 1.6: Remote Lock Fails to Arm Security System Repair Case (1p PDF) [#156027]) 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: Buick Excelle 1.6: Remote Lock Fails to Arm Security System Repair Case (1p PDF) [#156027].
Q: Is the dump Buick Excelle 1.6: Remote Lock Fails to Arm Security System Repair Case (1p PDF) [#156027] verified for authenticity and checksums?
Yes. The automated ROM analyzer verified the size (249,775 bytes), the SHA-256 checksum (6815042bf0c9a7e42752f8d1) 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 Excelle 1.6: Remote Lock Fails to Arm Security System Repair Case (1p PDF) [#156027]?
This technical document (Buick Excelle 1.6: Remote Lock Fails to Arm Security System Repair Case (1p PDF) [#156027]) 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 -91% (ALL FILES AT ONCE)
DEDUPLICATED • VERIFIED (COPIES REMOVED: 9)
Download the whole set of related files (29 unique files in one archive)
Individually, all 29 paid files cost $1,805. Buying the whole pack applies the wholesale discount -91% (save $1,640) + 0 free diagrams/photos!
Retail total: $1,805
$165
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