Audi Q7 4.2 TDI Engine Controllers – Typical ECU Failure Symptoms
The Audi Q7 4.2 TDI engine controllers (4L0910409, 0281013013, 0281015165 – Bosch EDC16CP34) often fail due to water damage. The problem most commonly affects the Master controller, which is mounted horizontally and, because of its position, is more exposed to moisture.
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If your car does not start, stalls after starting, or there is no communication with the engine controller, the cause may be a damaged ECU. In this article we explain the typical symptoms of engine controller failure in the Audi Q7 4.2 TDI and present available solutions – from programming a single Master or Slave controller to a ready-to-install Master + Slave set with IMMO OFF.
Read the full article and find out how to solve the engine controller problem in the Audi Q7 4.2 TDI.