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Water or Coolant Mixed With the Transmission Fluid: Is the Gearbox Ruined?

A silent killer of automatic transmissions or gearboxes is water or coolant mixing with automatic transmission fluid (ATF). This problem used to be seen in older vehicles with neglected engine cooling systems, but is becoming common in later model cars and trucks that have followed their maintenance schedules. The result is always the same: the […]

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The KWP2000 Protocol in Automotive Diagnostic Applications

The KWP2000 protocol has become a de facto standard in automotive diagnostic applications. It is standardized as ISO 14230-3. KWP2000 describes the implementation of various diagnostic services you can accethrough the protocol. You can run KWP2000 on several transport layers such as K-line (serial) or CAN. Transport Protocol As KWP2000 uses messages of variable byte […]

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