Have a failed, water-damaged, corrupted, or non-communicating GM Body Control Module (BCM)?

Lacorte Automotive offers a professional mail-in GM BCM cloning and programming service for supported Chevrolet, GMC, Cadillac, Buick, and other GM vehicles.

You send us your original BCM and a compatible replacement BCM. We transfer the applicable vehicle-specific configuration from your original module to the replacement, program it for your application, bench verify the completed module, and return both units to you.

YOU SEND BOTH BCMs — WE PROGRAM THE REPLACEMENT

This listing is a programming/cloning service. A replacement BCM is NOT included.

You send:

• Your original GM BCM
• Compatible replacement BCM
• VIN and vehicle information
• Any additional paired components requested for your specific application

SUPPORTED GM BRANDS

Supported applications may include:

• Chevrolet
• GMC
• Cadillac
• Buick
• Pontiac
• Saturn
• Hummer
• Other supported GM applications

Compatibility varies significantly by year, platform, BCM generation, hardware, software and part number.

Please send us pictures of both BCM labels before ordering if you're unsure about compatibility.

COMMON BCM FAILURE SYMPTOMS

A faulty GM BCM can potentially cause:

• No-start or intermittent starting problems
• Interior lights malfunctioning
• Exterior lighting problems
• Power windows not operating
• Power locks not operating
• Remote/keyless-entry problems
• Alarm/security-related faults
• Instrument cluster communication issues
• Wipers operating incorrectly
• HVAC-related electrical problems
• Battery drain
• Multiple warning messages
• Multiple communication DTCs
• No communication with BCM
• Intermittent electrical problems
• Water or moisture damage
• Internal BCM failure

Because many other electrical problems can produce similar symptoms, proper diagnosis is strongly recommended before ordering.

WHAT'S INCLUDED

Depending on the particular BCM/application, service may include:

• Original BCM data extraction
• Compatible replacement BCM programming
• VIN configuration
• Vehicle-specific configuration transfer
• Applicable coding/options transfer
• EEPROM/data transfer where supported
• Software configuration where applicable
• Data-integrity verification
• Professional bench verification
• Plug-and-play preparation where supported

HOW IT WORKS

1. Purchase the Service

Place your order for the GM BCM cloning/programming service.

2. Mail Us Both BCMs

Send your:

Original BCM + Compatible Replacement BCM

3. Original BCM Is Read

We extract the applicable vehicle-specific configuration from your original module.

4. Replacement BCM Is Programmed

The compatible replacement is prepared with the applicable original vehicle information and configuration.

5. Bench Tested & Verified

We verify the completed replacement BCM before return.

6. Both BCMs Are Shipped Back

You receive your original BCM + programmed replacement BCM.

PLUG & PLAY WHERE SUPPORTED

Our goal is to return the replacement BCM prepared for the original vehicle with the applicable configuration already transferred.

Some GM platforms may still require vehicle-side relearns, setup procedures, or additional programming depending on the specific vehicle and module.

For this reason, plug-and-play capability depends on the exact application.

TYPICAL 1–2 BUSINESS DAY TURNAROUND

Typical turnaround is 1–2 business days after we receive your complete package, subject to module condition and compatibility.

Same-day rush service may be available.

SIMPLE BREAKDOWN

YOU SEND:

Original GM BCM
Compatible Replacement GM BCM

WE PERFORM:

Professional BCM Cloning + Programming

YOU RECEIVE:

Original BCM + Programmed & Bench-Verified Replacement BCM

PROOF OF OWNERSHIP REQUIRED

Proof of ownership is required for services involving vehicle-specific security or authorization data.

Please provide:

• Government-issued photo ID
• Vehicle title or current registration
• VIN

Documentation must correspond with the vehicle being serviced.

IMPORTANT — BCM COMPATIBILITY

A BCM that physically looks identical may not be compatible.

Compatibility can depend on:

• GM service/part number
• Hardware number
• BCM generation
• Software/calibration
• Vehicle platform
• Model year
• Production date
• Installed options
• Vehicle configuration

NOT SURE WHICH BCM YOU NEED?

Send us:

• Clear picture of your original BCM label
• Clear picture of your replacement BCM label
• Year
• Make
• Model
• VIN

We'll help determine whether the replacement is suitable before you ship it.

LACORTE AUTOMOTIVE

GM BCM PLUG & PLAY CLONING + PROGRAMMING SERVICE

CHEVROLET • GMC • CADILLAC • BUICK & MORE

YOU SEND: ORIGINAL BCM + REPLACEMENT BCM

PROFESSIONAL PROGRAMMING • BENCH VERIFIED • TYPICAL 1–2 BUSINESS DAY TURNAROUND