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2016 CADILLAC SRX

2.8L Turbo V6FWDAUTOMATICgasturbo
1 active safety recall on this vehicle — view recalls
Repairs0Labor595Torque2499Fluid6DTC960Battery0Maintenance0Recalls1
P0041moderate severityPowertrain

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

on 2016 Cadillac SRX 2.8L Turbo V6 · FWD

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

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