GMC Sierra Pickup .OLS SW 12587603

This listing is a WinOLS .OLS project (not a .KP) for the GMC Sierra Pickup, Pickup.

This listing is an .OLS WinOLS project file. It is not a .KP pack and not an original flash / calibration file to write to the ECU.

The archive is left as packed. It contains .OLS project file(s).

Match hardware the hardware number and software 12587603 on the ECU sticker before you open this in WinOLS. A neighbouring software version on the same Sierra Pickup can still be the wrong project.

GMC Sierra Pickup specifications

Price €15. A full ECU backup for clone or recovery is €20 on request. ECU flash repair after a failed write is €50.

Full backups and ECU flash repairs

• Full ECU backup (complete image for clone or recovery): €20 on request — this DAMOS listing is map definitions — it is not a flash file or a full backup.
• ECU flash repair after a failed write or brick: €50 — contact support with HW/SW and the tool you use.

Professional use only

These files are intended for professional tuners, ECU specialists and workshops. You must understand flashing, checksums, boot/bench recovery and the risk of a no-start. We do not sell this as a DIY kit for untrained use.

Digital product — no refund after payment

This is a digital file delivered after payment. Once it is paid we cannot refund, reverse or take back the download. Check hardware and software numbers on the ECU sticker before you buy.

FAQ — GMC Sierra Pickup WinOLS .OLS project

Is this a .KP or a flash file?

No. This GMC Sierra Pickup file is a .OLS WinOLS project only. Original flash files for the same car are listed separately at €11.

Who can use this file?

Professional tuners and ECU specialists who already work in WinOLS. This is a digital product and cannot be refunded once paid.