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2014 JEEP CHEROKEE

3.2L V6•AWD•AUTOMATIC•gas
13 active safety recalls on this vehicle — view recalls
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Repairs0Labor1128Torque7467Fluid15DTC1816Battery0Maintenance0Recalls13
P0139low severityPowertrain

O2 Sensor Circuit Slow Response Bank 1 Sensor 2

on 2014 Jeep Cherokee 3.2L V6 · AWD

What this code means

The downstream O2 sensor on Bank 1 is responding too slowly.

Symptoms

  • Check Engine Light
  • Failed emissions

Common causes

  • Aging sensor
  • Contaminated sensor
  • Catalyst issue

Diagnostic steps

  1. Monitor sensor response
  2. Check catalyst efficiency

Repair notes

Replace downstream O2 sensor.

Other Powertrain codes on this vehicle

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