Mazda MAZDA6 2003–2004 — technical service bulletin

Official summary

Some vehicles may experience a mil illumination with dtc p2135 stored in memory or dtcs p0123 and/or p0222 after the throttle body has been replaced. Dtc p2135: throttle position sensor no.1 / no. 2 voltage correlation dtc p0123: throttle position sensor no.1 circuit high input dtc p0222: throttle position sensor no.2 circuit low inputdtcs p0123 and/or p0222 may be stored immediately (or some time later) after installing a new throttle body with either part number aj57-13-640d or ajt1-13-640. This is due to an abnormal electrical noise within the engine harness of certain vehicles. This condit

Vehicles covered

• 2003 Mazda MAZDA6
• 2004 Mazda MAZDA6