June 14, 2013 Service bulletin

Some vehicles may experience a MIL illumination with DTC P2135 stored in memory or dtcs P0123 and/or P0222...

Mazda technical service bulletin 01-015-13-2796 for 2003-2004 Mazda MAZDA6.

Bulletin number: 01-015-13-2796
Component: Equipment: other: owners/service/other manual
Summary: Some vehicles may experience a mil illumination with dtc p2135 stored in memory or dtcs p0123 and/or p0222 stored 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 input dtcs 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 condition can be prevented or corrected by installing a short cord (with diode) as described in this service bulletin. Note: a short cord (with diode) should only be used to correct dtcs p0123 and/or p0222 that were set after the throttle body was replaced. Vehicles that have stored dtcs p0123 and/or p0222 without a throttle body replacement should be diagnosed and repaired according to the workshop manual, not this service bulletin.

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