Common faults with ECU

• There is no communication with the engine ECU, the engine does not start
• P0651 5V reference 1 circuit
• P0651 5V reference 2 circuit
• P0697 5V reference 3 circuit
• Engine sometimes doesn’t start, in which case there is no communication possible with the ecu and the ecu is not identified by other ecu’s on the CAN-Bus and P068500 The output for relay clamp 87 has a electical failure or interruption

Part numbers

• Mercedes Part number A6519003403
• DELPHI Part number A9519013502