Volkswagen CADDY 1.9 TDI / PD ECU (Engine Management) – Part No: 03G906021AQ / 0281012390
- Sporadic no communication possible with control unit, depending on the temperature.
- After a long drive the engine stops and does not start anymore.
- Connector is oxidised, damaged by water.
- Sensor reference voltage faulty (5V sensors power supply).
- Various error codes concerning injectors are present / injectors are not activated.
- Engine does not start permanently or sometimes weather-dependent (temperature-sensitive).
- Other fault on request.
- Volkswagen Part Number – 03G906021AQ
- Bosch Part number – 0281012390