Which ECU and processor does the GM: Buick / Chevrolet / Cadillac 4.1— .MZH. + (OEM Engine / System) use?

The GM: Buick / Chevrolet / Cadillac 4.1— .MZH. + (OEM Engine / System) is fitted with a IMMO IMMO / BCM / Keys Immobilizers, Keys & Locks (CAS/FEM/BDC/EIS/BCM/KESSY) ECU based on the IMMO / Security MCU processor. Access mode: Platform / Bench / Boot.

Where can I get the IMMO IMMO / BCM / Keys Immobilizers, Keys & Locks (CAS/FEM/BDC/EIS/BCM/KESSY) bench pinout and firmware files?

This page provides the official colour ECU connector pinout (0 Bench/Boot diagrams) and 21 related engineering files: stock firmware (.BIN/.HEX/.FRF), WinOLS maps (.KP/.OLS/.A2L), coding and manuals.

GM: Buick / Chevrolet / Cadillac 4.1— .MZH. + (OEM Engine / System) — IMMO IMMO / BCM / Keys Immobilizers, Keys &

1. ECU & PROCESSOR INSTALLED IN THIS VEHICLEBENCH / BOOT / OBD VERIFIED

Brand & Model (Chassis)	GM: Buick / Chevrolet / Cadillac — 4.1— .MZH. +
Engine & Power	OEM Engine / System
Engine Control Unit (ECU)	IMMO IMMO / BCM / Keys Immobilizers, Keys & Locks (CAS/FEM/BDC/EIS/BCM/KESSY)
ECU Processor (MCU)	IMMO / Security MCU
Firmware read/write method	Platform / Bench / Boot
Built-in tool functions	Built-in automatic DTC-off calculator • Full PFLASH + DFLASH dump read/write (1:1 ECU clone) + auto checksum fix
Files in our 800 TB database	Exact ECU maps: 0 (.A2L/.KP/.OLS) \| Family maps: 0 \| Firmware dumps: 0

VERIFIED ECU / BCM / IMMO PCB PHOTOS, STICKER LABELS & FREE SCHEMATICS (GM: Buick / Chevrolet / Cadillac) 8 FREE REFERENCE PHOTOS

Close-up of a green PCB from a Chevrolet Malibu head unit showing test points TP10043 and SMD resistors and capacitors.

ECU / BCM Circuit Board (PCB) FREE

Chevrolet Malibu Infotainment PCB: Test Points and SMD Components

High-resolution macro photograph of a Chevrolet Malibu infotainment system PCB. The image highlights specific test points (TP10043, TP10039) and surface-mount components (R509, C509) for diagnostic access.

OEM/PN: TP10043, TP10039, TP10036, C509 TP10043 • TP10039 • TP10036 • FL501 • IC704

Close-up of a green automotive immobilizer PCB featuring an S9S12GN48-0N75C microcontroller and labeled test pads.

ECU / BCM Circuit Board (PCB) FREE

FAW Chevrolet N5 Immobilizer PCB with S9S12GN48-0N75C MCU

Bench photo of a FAW Chevrolet N5 immobilizer control unit PCB. The board features an S9S12GN48-0N75C MCU and labeled pins for battery, ground, and key detection.

MCU/EEPROM: S9S12GN48-0N75C OEM/PN: S9S12GN48-0N75C, 14D7.T, R12.0, LED R12.0 • LED • GND • BAT • KP

Close-up of a green PCB from a Chevrolet Malibu head unit showing test pads TP10043 and highlighted SMD components for eMMC data extraction.

ECU / BCM Circuit Board (PCB) FREE

Chevrolet Malibu Infotainment PCB: eMMC Access Points & Test Pads

This image displays the internal PCB of a Chevrolet Malibu infotainment system, highlighting specific test pads and SMD components used for non-invasive eMMC chip data reading.

OEM/PN: TP10043, TP10039, TP10036, C509 TP10043 • TP10039 • TP10036 • C509 • C507

Technical wiring diagrams and photos for Buick Excelle body control module and CAS immobilizer system.

Electrical Wiring Diagram FREE

Buick Excelle BCM and CAS Wiring Diagrams for Immobilizer Matching

Wiring diagrams and practical photos for Buick Excelle BCM and CAS immobilizer matching and diagnostics.

Pinout diagram for 2007 GM Excelle engine ECU MR-140 showing 64+64 connector definitions and wiring.

Connector Pinout Diagram FREE

2007 GM Excelle Engine ECU MR-140 64+64 Pinout Diagram

Technical pinout diagram for the 2007 GM Excelle engine ECU model MR-140, detailing the 64+64 connector layout and signal definitions.

MCU/EEPROM: 315M OEM/PN: MR-140, 315M Pin 1: Ignition Switch • Pin 2: Battery + • Pin 3: 3-Cylinder Spark • Pin 4: 4-Cylinder Spark • Pin 5: Throttle Position Sensor

Wiring diagram for 2011 Buick Regal BCM 13574842 showing pin definitions and connections.

Connector Pinout Diagram FREE

2011 Buick Regal Body Control Module 13574842 Pinout Diagram

Technical wiring diagram for the 2011 Buick Regal Body Control Module (BCM) part number 13574842, detailing pin assignments.

OEM/PN: 13574842 X1 • X2 • X3 • X4 • X5

Pinout diagram for 2017 Chevrolet Malibu 1.0L-1.5L engine ECU connectors X1, X2, and X3 with Chinese labels.

Connector Pinout Diagram FREE

2017 Chevrolet Malibu 1.0L-1.5L Engine ECU Pinout Diagram

Technical pinout diagram for the 2017 Chevrolet Malibu 1.0L-1.5L engine ECU, detailing connector X1, X2, and X3 functions.

F10-25A Main Power • F9-15A Main Power • Ignition Switch • Starter Relay • BCM

Pinout diagram for 2018 Buick GL6 1.0-1.3L engine ECU showing connector pin definitions and wiring.

Connector Pinout Diagram FREE

2018 Buick GL6 1.0-1.3L Engine ECU Pinout Diagram

Technical pinout diagram for the 2018 Buick GL6 1.0-1.3L engine ECU, detailing connector pin assignments for sensors and actuators.

Pin A: Brake Switch Signal • Pin B: Crankshaft Position Sensor • Pin C: Camshaft Position Sensor • Pin D: Ignition Coil • Pin E: Injector

WHOLESALE PACK -87% (ALL FILES AT ONCE) DEDUPLICATED • VERIFIED (COPIES REMOVED: 1)

Download the whole set of related files (21 unique files in one archive)

Individually, all 21 paid files cost ~~$1,225~~. Buying the whole pack applies the wholesale discount -87% (save $1,060) + 0 free diagrams/photos!

Retail total: ~~$1,225~~

$165

3.1. ECU FIRMWARE, STOCK & EEPROM DUMPS, OEM CONTAINERS (.BIN / .HEX / .FRF / .ODX / .SGO / .E2P)FIRMWARE & OEM CONTAINERS • 7 ITEMS

Format	File in Database	Access / Open
.BIN? .BIN — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	Buick United Kingdom clear GT 15 model 1M12S 0KM.bin firmware_bin • 2,048 bytes	$65 Open file →
.BIN? .BIN — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	15 model Buick United Kingdom clear PIN / Password 4794 1M12S 101KM.bin firmware_bin • 2,048 bytes	$65 Open file →
.BIN? .BIN — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	2010 model Buick Excelle instrument cluster 9057815 VPASJF-10849-DF (MC9S12HZ256VAL 3L16Y) EEPROM 30719KM.bin firmware_bin • 2,048 bytes	$65 Open file →
.BIN? .BIN — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	11.4 Buick Buick Regal the body of a vehicle computer '_24C16.Bin firmware_bin • 2,048 bytes	$65 Open file →
.BIN? .BIN — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	Buick Buick Excelle 13 model 9212HZ256 22337KM.bin firmware_bin • 2,048 bytes	$65 Open file →
.BIN? .BIN — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	Buick Excelle 24C04 instrument cluster data / dump.Bin firmware_bin • 512 bytes	$65 Open file →
.BIN? .BIN — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	Buick Buick Regal V6 crankshaft signal 3X,7X,CMP) firmware_bin • 2,048 bytes	$65 Open file →

3.2. WINOLS CALIBRATION MAPS, DAMOS & PROJECTS (.A2L / .KP / .OLS / .CDFX)DAMOS & MAPPACKS • 1 ITEMS

Format	File in Database	Access / Open
.A2L? .A2L — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	Chevrolet Duramax 2016 P654_V1603_042_0.a2l damos_a2l • 20,638,316 bytes	$190 Open file →

3.3. MODULE CODING, HIDDEN FEATURES & ARCHIVES (.XML / .PRE / .TXT / .RAR / .EXE)CODING & PARAMETERIZATION • 2 ITEMS

Format	File in Database	Access / Open
.RAR? .RAR — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	Buick Grand Hyatt speedometer calculate device.rar archive_pack • 31,212 bytes	$75 Open file →
.EXE? .EXE — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	Buick Grand Hyatt speedometer calculate device.exe ecu_software_tool • 53,248 bytes	$120 Open file →

3.4. OEM MANUALS, TPI BULLETINS, WIRING & PINOUTS (.PDF / .PNG / .SVGZ)MANUALS & WIRING SCHEMATICS • 11 ITEMS

Format	File in Database	Access / Open
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	GM 4T65-E Automatic Transaxle Repair Manual: Specs, DTCs, and Diagnostics (434p PDF) [#22077] manual_pdf • 18,229,331 bytes	$35 Open file →
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	GM 6T40 6-Speed Automatic Transmission Repair Manual and Specifications (491p PDF) [#12728] manual_pdf • 10,352,920 bytes	$35 Open file →
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	Buick LaCrosse 6T40 Automatic Transmission Repair Manual and Specifications (491p PDF) [#16970] manual_pdf • 10,181,248 bytes	$35 Open file →
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	Buick Anti-Theft System Analysis: PASSKEY II and III Key Programming (48p PDF) [#38982] manual_pdf • 4,472,365 bytes	$35 Open file →
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	Buick Chevrolet 46-Chip Immobilizer System Analysis and Key Programming Guide (44p PDF) [#3792] manual_pdf • 4,301,808 bytes	$35 Open file →
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	Buick Sail Immobilizer System: TMS370 and Bosch ECU Programming Guide (25p PDF) [#3900] manual_pdf • 3,025,454 bytes	$35 Open file →
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	Buick Excelle IMMO Key Programming and EEPROM Data Modification Guide (24p PDF) [#53788] manual_pdf • 2,900,276 bytes	$35 Open file →
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	Buick New Model 46 Chip Immobilizer Key Programming Guide (21p PDF) [#3899] manual_pdf • 2,808,771 bytes	$35 Open file →
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	Buick Sail Immobilizer System: TMS370 & Bosch ECU Data Analysis (25p PDF) [#89441] manual_pdf • 2,419,471 bytes	$35 Open file →
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	Buick Excelle IMMO Key Programming Guide: 4D60, 48, and 4D70 Chip Procedures (24p PDF) [#59440] manual_pdf • 2,319,104 bytes	$35 Open file →
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. VERIFIED	Buick New Model 46 Chip Immobilizer Key Programming Guide (21p PDF) [#109154] manual_pdf • 2,297,774 bytes	$35 Open file →

GM: Buick / Chevrolet / Cadillac 4.1— .MZH. + (OEM Engine / System) — IMMO IMMO / BCM / Keys Immobilizers, Keys & Locks (CAS/FEM/BDC/EIS/BCM/KESSY) ECU (IMMO / Security MCU)