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Holden VZ V6 E55 GM ECU Programmed Replacement

Price range: $795.00 through $1,100.00

SKU: VZ-V6-E55-ECU-Replacement
Product by:
Programmed Replacement
VZ V6 Only • 3.6L Alloytec
12-Month Warranty
No Core Return • Outright

Programmed VZ V6 E55 ECU — outright replacement for the Holden VZ 3.6L Alloytec V6 (LE0 175kW & LY7 190kW). Holden VZ V6 Commodores only.

Choose Professional Remanufactured ($795) or Brand New ($1,100) — both ship fully programmed to your VIN with matching OS & calibrations and a 12-month warranty.

Two security linking options at checkout: send us your BCM + PIM + key for free linking, or have a workshop perform it locally (must have access to your immobiliser code).

No core ECU return required. No deposit. Outright purchase.

This is the VIN that will be programmed to the unit. The Operating system and calibrations for the ECU will also be based off the supplied VIN unless otherwise specified.

This option is indicating how you are getting the replacement engine computer security linked to your vehicle.

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SKU VZ-V6-E55-ECU-Replacement Category Brand:

Description

Holden VZ V6 Commodores Only • 3.6L Alloytec V6 • 2004–2007

VZ V6 E55 ECU — Programmed Replacement

A ready-to-fit VZ V6 E55 ECU for Holden’s 3.6L Alloytec V6 (LE0 175kW & LY7 190kW), fully programmed to your VIN with the correct stock operating system and calibrations. Outright purchase — no deposit, no core return required.

ECU Type
E55 (V6)
Engine
3.6L Alloytec V6
Warranty
12 Months
⚠️
VZ V6 Commodores only

This ECU is only for the VZ-platform Alloytec V6 (3.6L LE0 or LY7). It is not for VZ V8s (LS1 / L76 / L98), VE/VF V6, VT–VY V6 (Ecotec) or any other model. If you’re unsure, email us your VIN before ordering and we’ll confirm the right ECU for your car.

Choose Your Condition

Both options ship fully programmed to your supplied VIN and carry a 12-month warranty:

Option 1

Professional Remanufactured

$795
  • Refurbished to as-new spec
  • Reconditioned internals & housing
  • Programmed to your VIN
  • 12-month warranty
Brand New
Option 2

Brand New

$1,100
  • Genuine brand new GM unit
  • Zero prior runtime
  • Programmed to your VIN
  • 12-month warranty
ⓘ About the part number: The displayed service number / part number on the replacement unit may differ from your original — we use the newest available stock for both brand new and remanufactured units. The ECU will be fully suitable for any VZ V6 vehicle and will be programmed to suit the VIN you supply.

Is Your Original ECU Faulty? Common Symptoms

These are the most common symptoms we see from a failed VZ V6 E55 ECU. If your car is doing one or more of these, the ECU is a strong suspect:

No start condition — engine cranks but won’t fire
Won’t crank — engine cranks when starter relay is bridged manually
Misfire on one or more cylinders
“Service Vehicle Soon” (SVS) warning on the cluster
“Service Error, Contact Retailer” on the cluster
Very low fuel warning — even with a full tank
Loss of communication to the engine computer with a scantool
P0201 – P0206 Injector circuit malfunction fault codes

What Comes Pre-Programmed

📝Your VIN — written into the ECU (17 characters, captured at checkout)
💾Matching Stock OS & Calibrations — chosen based on your VIN, so your engine runs exactly how it left the factory
Tested before shipping — every ECU is bench-checked prior to dispatch

Security Linking — Required Before the Car Will Start

The replacement ECU must be security linked to your vehicle before it will start. This is the process of programming your car’s 4-digit immobiliser code and key information into the engine computer so it’s permitted to crank and run the engine. You’ve got two options:

Free
Option A

Send Us Your BCM, PIM & Key

Post in your vehicle’s original Body Control Module (BCM), Powertrain Interface Module (PIM) and ignition key with the order. We’ll security link the replacement ECU to those parts before sending everything back.

We obtain your immobiliser code ourselves — you don’t need to supply it.

Option B

Have a Local Workshop Do It

A Holden dealership or any workshop with compatible scantool tooling (e.g. GM Tech2) can perform the security link. We supply a step-by-step guide with your order showing the exact Tech2 procedure — the same steps apply to other suitable scantools.

The workshop will need your 4-digit immobiliser code. Call your local Holden Dealership with proof of ownership to obtain it.

⚙️ After fitting & linking: A throttle body relearn may be required after the ECU is installed and security linked. This procedure can only be performed once the ECU is fitted to the car — any workshop or a compatible scantool can complete it in minutes.

Compatible Vehicles

Suits all Holden VZ models fitted with the 3.6L Alloytec V6 (LE0 175kW or LY7 190kW):

Holden Commodore VZ 3.6L (2004–2007)
Holden Calais VZ 3.6L (2004–2006)
Holden Adventra VZ 3.6L (2005–2006)
Holden One Tonner VZ 3.6L (2005–2006)

Information Captured at Checkout

📝
Three short fields, all required

VIN — 17 characters. Used to write your VIN into the ECU and pull the matching stock OS & calibrations.

Security Linking Option — choose whether you’ll ship in your BCM/PIM/key for free linking by us, or have a local workshop perform it.

Acknowledgement — a quick YES to confirm you’ve read the Important Information above.

Questions on your build, immobiliser code or security linking process? Email us before ordering — we’ll walk you through it.

Additional information

Weight 1 kg
Condition

Professional Remanufactured, Brand New

Brand Information

  • Holden

Filter Data Information

  • Holden
  • Commodore
  • 2004, 2005, 2006, 2007
  • V6 3.6L LE0, V6 3.6L LY7
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