Support Email:
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$770.00
VZ Auto-to-Manual Conversion Programming Service — reconfigure every required module on your VZ Commodore or HSV Z Series so it runs cleanly with a manual gearbox or a non-electronic transmission like a T400 or Powerglide.
This is a ship-in service. Remove and post the required modules to us — we reprogram them in-house to match a factory manual configuration and return them ready to refit.
Please contact us before ordering to confirm this service is suitable for your conversion.
Reconfigure every required module on your VZ Commodore or HSV Z Series so it runs cleanly with a manual gearbox or a non-electronic transmission (T400, Powerglide and similar). Ship-in service — post your modules to us and we reprogram them in-house to match a factory manual configuration.
This is a programming-only service. To complete the conversion, the correct factory manual wiring harness from a same-year VZ Commodore / HSV Z Series must be physically fitted to the car. Programming alone will not get a car with the wrong loom running.
We do not provide any wiring guidance, wiring diagrams or troubleshooting for harness fitment — please source the correct loom and have it installed by a qualified auto electrician before booking this service.
Dropping a manual gearbox (or a non-electronic transmission like a T400 or Powerglide) into a factory-auto Holden VZ Commodore or HSV Z Series requires more than just unbolting the auto and bolting in the new box. Without reprogramming, the vehicle will throw engine warnings, potentially go into limp mode, and won’t run properly — the various control modules expect to see the factory TCM on the bus and behave incorrectly when it’s gone.
We tailor-program every required module on your specific vehicle to match a factory manual configuration. That includes the engine computer, instrument cluster, and several other modules depending on your build. The required modules differ from car to car — we confirm the exact list once you’ve purchased the service.
All programming on this listing is performed in-house at our workshop. You remove the required modules from your vehicle, post them to us, and we ship them back fully reprogrammed and ready to refit.
We tailor-program every module that needs to match the new transmission configuration. The exact list depends on your specific vehicle — confirmed after you purchase — but typically includes:
We do not require any modules to be modified, swapped or replaced — other than removing the factory TCM. Your original ECUs come back to you reprogrammed to match a factory manual setup.
Place your order and we’ll send through the full list of modules that need reprogramming for your specific vehicle.
Remove the required modules from your VZ and post them in. Shipping typically takes 1–3 business days to reach us.
We typically reprogram all modules same day or next day and get them back into the post for return.
Bolt the reprogrammed modules back into the car and you’re ready to fire it up on the new transmission.
The correct factory manual wiring harness from a same-year VZ / HSV Z Series must be physically fitted to the car. We do not supply harnesses and we do not provide any wiring diagrams, wiring guidance or troubleshooting — that’s your auto electrician’s job.
Every VZ Auto-to-Manual conversion is slightly different. Please get in touch before ordering so we can verify this service will cover your specific build — vehicle, engine, target transmission and any other modifications.
The exact list of modules to be reprogrammed varies per vehicle and is confirmed in your module list once the service has been purchased. Pre-purchase “which modules?” queries will be ignored — the answer is genuinely build-specific and pulling that information together takes time we’d rather spend on paying conversions.
Workshop discounts are available after completing more than 2 VZ Auto-to-Manual programming conversions with us. Get in touch with your trade details and we’ll set you up.
Works on all Holden VZ Commodore and HSV Z Series vehicles (2004–2007) factory-fitted with an automatic transmission — covers both 3.6L Alloytec V6 and LS1 / L76 V8 drivetrains:
When you add this product to your cart you’ll be asked to confirm you’ve already contacted us and verified your conversion is suitable for this programming service. After purchase, we send through your tailored module list so you know exactly what to ship in.
Ship-in service — reprogrammed and returned same / next day. Correct manual harness must be fitted before reinstall. Contact us first to confirm suitability.
| Weight | 5 kg |
|---|---|
| Dimensions | 44 × 27 × 18 cm |
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