Once You Register a Vin and Os Can You Flash Again Hptuners

 Write VCM

In that location are a few different ways you can write to the VCM. They are:

• Write Calibration Merely under the "Wink" carte du jour or past clicking the red colored "Write Calibration But" icon on the toolbar.
• Write Entire under the "Flash" menu (advanced users only)
• Write VIN/Tunerlock/VATS under the "Wink" menu (advanced users only)

"Write Calibration Only" is the regular, safest and fastest way to rewrite the VCM. E'er use "Write VCM" when making regular tuning changes.

The "Write Entire" and "Write VIN/Tunerlock/VATS" options are special features to be used by advanced users only and are discussed further beneath.

1. Plug the interface cablevision into the vehicle OBD2 port and PC serial/USB interface. Meet Connecting to the Vehicle department for more than information.
2. Open up VCM Editor, ensure a valid file for this VCM are currently open (or have just been read) and select "Write Calibration Only" from the "Flash" menu. Alternatively, click the red "Write Calibration Only" icon on the toolbar. The Write VCM form will appear. (Advanced users may select the "Write Unabridged" or "Write VIN/Tunerlock/VATS" selection).
3. Put the key in the ignition and plough to the on position (exercise not start the vehicle).
4. Make certain the doors are closed and accessories are turned off.
5. Expect ten to 15 seconds.
6. Click the "Begin" button.
7. Permit the PC to write the VCM until it displays "VCM Write Completed"
8. Plough off ignition and optionally unplug the interface cable.
9. The new calibration has now been written to the PCM.

• Do not disrupt the programming session.
• Do not open vehicle doors or utilise vehicle accessories.
• Do not program vehicles with bombardment voltage lower than 11.five Volts
• Do not program vehicles while continued to car battery charger.

When rewriting using the "Rewrite Unabridged VCM" or the "Rewrite VCM VIN and CAL" options, critical components of the VCM software must be erased and re-written. If the VCM loses power during writing of these disquisitional system components, the VCM may become unrecoverable. Practice not power downward the VCM under whatever circumstances during a write failure using these avant-garde options. This is a useful feature for the tuner shop or mail order tuner and doesn't use much to a single vehicle tuner. What this can allow you lot to do is program a VCM that came from another vehicle for your specific vehicle type. Yous must make sure that the VCM hardware matches. This is a very powerful feature and must be used with circumspection. If yous write a VCM with a file that doesn't vest on it, you could damage the VCM and crusade it to be unrecoverable. Information technology is not available on for all vehicle types.
When should I utilize "Write VCM" ?
All the time except in the circumstances described in the post-obit sections.
Never use the following methods to recover a VCM that has failed during a normal Write VCM performance.

When should I use "Write Entire" ?
The

only time y'all should use the Entire VCM Write feature is if you are updating the software on the VCM to a new operating system. For example, using a Corvette VCM with electronic throttle in a Firebird that has cable driven throttle body (same VCM hardware, different Operating Organization).
If you are recovering from a standard VCM Write failure, using the Rewrite Entire feature will not help ensure the recovery of your VCM. In fact, in a failure scenario from a standard VCM Write you are at more risk for total VCM loss when you try to recover using the Rewrite Unabridged.

When should I utilize "Rewrite VIN/Tunerlock/VATS" ?
The merely times you would demand to use this pick is if you have updated the VIN of the VCM (via the editor), are relinking the VATS system or are applying the Tunerlock feature to lock or unlock the VCM. Mostly these things but demand to be washed one time (and tin can be done during a "Write Entire" besides).

Note: It is a good thought to try and limit the advanced writes (Entire and VIN/Tunerlock/VATS) to just once. ie. setup the new operating system with all required VIN, Tunerlock and VATS information and and then choose "Write Unabridged" for the first write simply. So use the normal "Write Scale Only" option for regular tuning.

"Write VCM" failed and now my car won't start, what exercise I do?
Don't panic. An error during the write process has occurred.
Follow these guidelines:

• Make sure vehicle has sufficient bombardment voltage for programming.
• Brand sure laptop has sufficient ability.
• Brand sure all communications cables are connected firmly.
• DO Non pull your VCM's fuse or disconnect bombardment ability in endeavor to correct the problem.
• Restart VCM Editor and open upward the same file you wrote to the VCM when the error occurred. Information technology is very important that you apply the same file. Endeavour to "Write VCM" again.
• If the trouble persists delight contact customer support using these instructions Contacting Customer Back up.

Approximate write times (error free, loftier speed fashion) are as follows:

VCM Type	Write Calibration Only	Write Entire	Write VIN/Tunerlock/VATS
LS1 V8 PCM (512k)	30 secs	2 mins	15 secs
LS1 V8 PCM (1024k)	30 secs	4 mins	15 secs
V6 PCM (512k)	thirty secs	2 mins	15 secs
V6 PCM (1024k)	30 secs	four mins	15 secs
LS2 V8 ECM (1280k)	20 secs	2 min 45 secs	northward/a
LS2 V8 ECM + TCM (1984k)	30 secs	3 min fifty secs	northward/a
Alloytec	30 secs	3 min 50 secs	n/a
P12 I4/I5/I6 ECM	30 secs	2 min 45 secs	n/a
E67 ECM + TCM	north/a	3 min fifty secs	due north/a

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Source: https://www.hptuners.com/help/vcm_editor_flash_menu_write.htm

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