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February 13, 2014 Service bulletin

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Infiniti technical service bulletin ITB13056A for 2012-2013 Infiniti G37, 2014 Infiniti Q50 and 2014 Infiniti QX50 and others.

Bulletin number
ITB13056A
Component
Engine and engine cooling: engine: engine control module (ecu/ECM)
Summary
IF YOU CONFIRM: The MIL is ON and one or both of the following DTCs are found stored in the ECM: - P0139 (heated oxygen sensor 2 (B1) circuit slow response) - P0159 (heated oxygen sensor 2 (B2) circuit slow response) ACTION: 1. Confirm this bulletin applies. - Compare the vehicle's current ECM part number to those listed in Table A (see page 4). 2. If the ECM part number does not match one listed in Table A, this bulletin does not apply. Go back to ASIST for further diagnostic and repair information. 3. If this bulletin applies, reprogram the ECM. See this bulletin for further detail.

Owners of these vehicles have filed 29 complaints in the engine category.

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