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July 18, 2014 Service bulletin

IF YOU CONFIRM MIL "ON" with DTC P0420 and/or P0430 (Three Way Catalyst Function), ACTION: 1. Reprogram...

Infiniti technical service bulletin ITB13053A for 2011-2012 Infiniti QX56.

Bulletin number
ITB13053A
Component
Equipment
Summary
IF YOU CONFIRM MIL "ON" with DTC P0420 and/or P0430 (Three Way Catalyst Function), ACTION: 1. Reprogram the ECM (if needed). 2. Replace three way catalyst and A/F sensor. See this bulletin for further detail.

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