10 steps to replace Honda ECM/ PCM using VXDIAG HDS

This post is on how to step-by-step replace Honda ECM/ PCM using VXDIAG HDS.

Tool to use:

Hardware: VXDIAG made by Allscanner Company

Software: HDS

HDS running at hardware VXdiag details at:



Before start to replace Honda ECM/ PCM, you have to install VX Manager and driver which are stored in the CD-ROM, or you can browse http://www.vxdiag.net to download the newest setup files.

  1. Computer Requirements

Processor: Pentium 4/1.6GHz+.

Memory: 2G Bytes or more.

Hard disk: 40G or more.

Display: Resolution 1024×768 or higher.

Network interfaces: LAN 10/100M or 802.11b/g.

Communication Interface: USB2.0 or USB3.0

Operating System:Windows XP/Vista/Win7/Win8/Win8.1

  1. Installation notes:

Cancel open web page when HONDA HDS start


10 steps to replace Honda ECM/ PCM using VXDIAG HDS

1.System Selection Menu, click [IMMOBI]

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2.Click [Replace ECM/PCM]

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3.Press tick to continue

Obtain PCM-code from MaRIS2/GENPO/Distributor

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4.Input PCM-code and Press tick to continue

PCM-code to use [Acura code Generator] calculated, you can buy it from ALLSCANNER Tech Co.,Ltd. Tel:0755-33000960

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5.Turn the ignition switch off

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6.Turn the ignition switch on

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7.Turn the ignition switch off.

The registration of immobilizer codes into the Immobilizer unit has been completed.

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8.Press tick to continue

Check all keys to ensure each will start the engine

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9.Click [NO]

Is this vehicle equipped with a KEYLESS ACCESS Remote System?

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10.The registration is complete.Press tick to continue

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This is from CarDiag – Professional Car Diagnostic Tool Online Shop technical support: 10 steps to replace Honda ECM/ PCM using VXDIAG HDS