Back to 2016 Infiniti Q70

2016 INFINITI Q70

3.7L V6RWDAUTOMATICgas
1 active safety recall on this vehicle — view recalls
Repairs0Labor505Torque4921Fluid7DTC916Battery0Maintenance0Recalls1
P0041moderate severityPowertrain

O2 Sensor Signals Swapped Bank 1 Sensor 2 / Bank 2 Sensor 2

on 2016 Infiniti Q70 3.7L V6 · RWD

What this code means

The downstream O2 sensor signals for Bank 1 and Bank 2 appear to be swapped.

Symptoms

  • Check Engine Light
  • Incorrect catalyst monitoring
  • Failed emissions

Common causes

  • Sensor connectors swapped
  • Wiring crossed after service

Diagnostic steps

  1. Verify downstream sensor connections
  2. Trace wiring to PCM

Repair notes

Correct the sensor connector routing.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →