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2019 JEEP CHEROKEE
3.2L V6•AWD•AUTOMATIC•gas
11 active safety recalls on this vehicle — view recalls
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Repairs0Labor983Torque6821Fluid17DTC2344Battery2Maintenance0Recalls11
P0137moderate severityPowertrain

O2 Sensor Circuit Low Voltage Bank 1 Sensor 2

on 2019 Jeep Cherokee 3.2L V6 · AWD

What this code means

The downstream O2 sensor on Bank 1 is reading low voltage consistently.

Symptoms

  • Check Engine Light
  • Failed emissions

Common causes

  • Faulty sensor
  • Exhaust leak after cat
  • Wiring short to ground

Diagnostic steps

  1. Test sensor voltage
  2. Check for exhaust leaks
  3. Inspect wiring

Repair notes

Replace sensor or repair leak.

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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