Rt3 Upgrade 651 Na 663 Build 890 Can42 New Jun 2026

If you are still running 651 NA, you are driving a ticking time bomb. Here is what version 663 Build 890 CAN42 New actually fixes.

The upgrade from version to 6.63 Build 890 for the Magneti Marelli RT3 navigation system (found in Peugeot and Citroën vehicles) is the final official software release for the CAN bus (4.2) architecture. Core Enhancements & Performance rt3 upgrade 651 na 663 build 890 can42 new

Warning: Hardware mismatch detected. Architecture 663 Build 890 requires high-speed parity. If you are still running 651 NA, you

Upgrading your Peugeot or Citroen RT3 system from version 6.51 to 6.63 (build 890) Step-by-Step Installation Guide Usually caused by a poor

: Hold the MENU button for several seconds, then select Device Description to see the current software version. Step-by-Step Installation Guide

Usually caused by a poor burn quality or a dirty laser lens. Try a fresh CD-R on a different burner.

RD4/RT3 Audio System Upgrade Reference String: rt3 upgrade 651 na 663 build 890 can42 new