Volkswagen CADDY 1.9 TDI / PD ECU (Engine Management) – Part No: 03G906021AR / 0281012469
Common Faults:

• 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.

Part Numbers:

• Volkswagen Part Number – 03G906021AR
• Bosch Part number – 0281012469