RS dCi 175 - Glow plug programming / learning

Discussion in 'Mechanical - Engine, Gearbox, Exhaust etc' started by RDenv173, May 20, 2026 at 12:58 AM.

  1. Greetings,
    I hope everyone's doing alright.

    Posting here because I have a coding issue on my Mégane II RS dCi (M9R engine).
    Basically, after a turbo swap and a retune, the ECU (Bosch EDC16CP33) lost its glow plug configuration setting (the slow/fast setting).

    According to the workshop manual, there are two types of glow plugs, fast and slow (white or black top ring). When the plugs need replacing from one type to another, the ECU must be reprogrammed to help it identify (and not instantly fry) what type of plug is installed.

    The issue I'm facing is, after a rewrite of the ECU, I need to reprogram the ECU using clip to set the glow plugs to "fast" (as I white glow plugs). This command is however only available on select VDIAG versions of the ECU (20, 24, 38 and 74), and definitely not on mine (which is VDIAG 60). Consequently, the option does not show up on my clip tool under command SC036 Reinitialise programming.

    Does anyone know if there's another way to set this parameter?

    Thanks a lot.
     

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