P0634 - Internal PCM/ECM/TCM temperature too high (Solution)

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dieselschrauber
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2018 Volkswagen T6 Consumption

12-04-2017, 15:49 Subject: P0634 - Internal PCM/ECM/TCM temperature too high	Quote

The error code P0634 - PCM / ECM / TCM internal temperature too high can occur if the engine control unit (ECU) has been opened, for example, for a chip tuning, and during reassembly, the cooling of certain components/ICs is no longer guaranteed. Solution: The lid must not be bent, correct lid assembly, use electrically non-conductive thermal paste. Dipl.-Ing. (FH) Rainer Kaufmann - dieselschrauber VCDS Shop

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