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INFINITI Service Bulletin 2014 Q50 Sedan, Q50 Hybrid, Q60 Coupe, Q60 Convertible, FX37, QX70, EX37, M37 – MIL ON WITH DTC P0139 AND/OR P0159 STORED

This Service Bulletin Applies to Specific Vehicles

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) and/or P0159 (heated oxygen sensor 2 (B2) circuit slow response).

Action Required

Reprogram the ECM and perform Throttle Valve Closed Position, Idle Air Volume Learn, Accelerator Closed Position, and DTC erase.

Important: Ensure the vehicle’s current ECM part number matches one listed in Table A before performing the reprogramming procedure.

Manual:

Download: INFINITI Service Bulletin 2014 Q50 Sedan, Q50 Hybrid, Q60 Coupe, Q60 Convertible, FX37, QX70, EX37, M37 – MIL ON WITH DTC P0139 AND/OR P0159 STORED

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