Mercedes 722.9 - Mercedes-Benz Forum

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post #1 of 3 (permalink) Old 05-06-2010, 09:26 AM Thread Starter
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Mercedes 722.9

Does anyone know where is the 722.9 TCU unit. Is it beside the transmission or is it in the same place where it has been since the start of times.

If anyone has a broken valveboard or TCU I'd be interested to buy those.

Have anyone find the repairmanual of the 722.9.
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post #2 of 3 (permalink) Old 05-07-2010, 08:25 PM
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The transmission control module is integrated into the valve body and is permanently coded and locked to the vehicle. All you can do is change setting and install new software via a factory scan tool (i.e. Basic or Compact)

1985 300TD - "Panzer Wagen" - undergoing full restoration (resto - mod)

2014 GLK250 Bluetec (Wife's Car)

Mercedes-Benz Master Certified Technician.
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post #3 of 3 (permalink) Old 05-08-2010, 04:13 AM
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