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Service bulletins for the 2018 Infiniti QX80

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

124 on file from NHTSA, as of 2026-10-19.

About P0138 on the 2018 Infiniti QX80: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P0138 are shown. Show all

Bulletins, newest first
ITB18-0312018-10-15. Service bulletin. EQUIPMENT. 2018 QX80; MIL ON WITH DTC P0138 AND/OR P0158 IF YOU CONFIRM The MIL is ON with one or both of the following DTCs: - P0138 (Heated oxygen sensor heater 2 [bank 1] circuit high voltage) - P0158 (Heated oxygen sensor heater 2 [bank 2] circuit high voltage) And There are no drivability issues. ACTION 1. Refer to step 6 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on. 2. If this bulletin applies, reprogram the ECM.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.