Mazda 3 1.6 ECU (Engine Management) – Part No: 5M6112A650BA / 0281012530
Common Faults:

• No communication possible with ECU / error code reading not possible.
• Other CAN bus participants reports communication problems with the ECU.
• P060B A/D processing internal control module – Malfunction.
• P0606 Control unit – NA.
• P0403 EGR (valve/output stage) – NA.
• P0402 Exhaust-gas re-circulation – Amount excessive.
• P0401 Exhaust-gas re-circulation – Amount insufficient.
• P0400 Exhaust-gas re-circulation – NA.
• Exhaust control valve without function / EGR is not activated / Various error codes possible.
• P1613 – control unit – Internal error / P1602 Immobilizer / P1000 OBD system tests / P1604 EPROM data defective.
• no control to the injectors.
• Other fault on request.

Part Numbers:

• Mazda Part Number – 5M6112A650BA
• Bosch Part number – 0281012530