GM
GM Cluster Upgrade + Mileage Program
Dead gauges, dim display, or want the higher-trim cluster? We upgrade and program your GM instrument cluster with the mileage and VIN carried over correctly.
GM
Speedometer / Tire & Gear Recalibration
Changed tire size or re-geared your axle and now the speedometer reads off? Mail in your supported GM ECM/PCM and we rewrite the tire-size and axle-ratio calibration on the bench so speed, odometer, and shift points read true.
Service price
$250
Fast lab turnaround Bench tested Nationwide mail-in
Specialist bench service
Service type
Mail-in laboratory service
Compatibility
GM modules
Before shipping
Part number verification required
What you get
Professional bench work, ready for the next step.
We inspect the supplied parts, perform the service described, verify the result on the bench, and return the job with its vehicle information preserved where applicable.
Pre-service inspection
Vehicle data handled carefully
Bench verification after service
Clear communication if parts do not match
How it works
A straightforward mail-in process
01
Confirm the service
Send the vehicle and module details so we can verify fitment before you ship.
02
Ship the required parts
Pack the module securely and include the job details provided with your request.
03
Reinstall and drive
We complete the bench work, test the result, and return everything for installation.
Pack the job correctly
What to send
The module named in this service
Vehicle year, make, model, and VIN
Fault codes and a short symptom description
A printed copy of your service request
Exact requirements can vary by part number and vehicle configuration. We will confirm the package before you ship.
Compatibility is verified first
Send clear photos of the module labels and your VIN with the request. Matching hardware numbers prevents delays and avoids shipping an incompatible donor.
Will this fix my problem?
Know what this service covers.
This service is designed for
- A failed or incompatible speedometer / tire & gear recalibration
- A replacement module that needs vehicle-specific data
- Programming, coding, cloning, or internal electronic faults described above
This service does not correct
- Vehicle wiring, power, ground, or network faults outside the module
- A mismatched or physically incorrect donor part
- Unrelated mechanical faults elsewhere in the vehicle
Service questions
Before you ship
Confirm the exact module and requirements with our lab first.
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GM BCM Standalone Clone (2000-2023)
Failed GM BCM taking your lights, locks, and anti-theft with it? We clone a working BCM to a replacement — VIN, mileage, theft system and all coding preserved.
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GM Global A Virginize (Used ECM)
Used Global A ECM that SPS refuses to program? We reset it to a virgin, unmarried state so GM SPS / TIS2Web will take it to your VIN.
Ready to send your module?