P0137 on Dodge Hornet
Factory diagnostic protocol and troubleshooting wire for fault code P0137 specifically for the Dodge Hornet (2023–2026, 2.0L Turbo (265HP) / R/T PHEV (288HP / eAWD)).
1. Symptoms of P0137 on Dodge Hornet
When the Engine Control Module (ECM/PCM) on your Dodge Hornet (2.0L Turbo (265HP) / R/T PHEV (288HP / eAWD)) logs fault code P0137, drivers commonly observe:
2. Most Likely Causes on Dodge Hornet
Historical warranty claims and technical repair bulletins for Dodge Hornet point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Dodge Hornet
Listen for exhaust ticking or black soot around flex pipe, flanges, and sensor bungs before the catalytic converter. on the Dodge Hornet equipped with 2.0L Turbo (265HP) / R/T PHEV (288HP / eAWD).
Monitor B1S2 voltage. Snap the throttle to enrich mixture; voltage should briefly spike above 0.8V. If it remains 0.0V–0.1V, sensor is defective or shorted. on the Dodge Hornet equipped with 2.0L Turbo (265HP) / R/T PHEV (288HP / eAWD).
Unplug harness, remove old sensor with 7/8 socket, install replacement sensor and plug firmly. on the Dodge Hornet equipped with 2.0L Turbo (265HP) / R/T PHEV (288HP / eAWD).
Clear DTCs and verify B1S2 holds steady between 0.45V and 0.75V during steady highway cruising. on the Dodge Hornet equipped with 2.0L Turbo (265HP) / R/T PHEV (288HP / eAWD).
Equipment for Diagnosing Dodge Hornet (P0137)
Dodge Hornet OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for Dodge Hornet.
AstroAI Auto-Ranging Digital Multimeter
Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.
BlueDriver Bluetooth Pro OBDII Scan Tool
Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.
Other Common Fault Codes on Dodge Hornet
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Dodge Hornet:
4. Dodge Hornet P0137 FAQs
What causes code P0137 to trigger on a Dodge Hornet?
On the Dodge Hornet (2.0L Turbo (265HP) / R/T PHEV (288HP / eAWD)), P0137 is most frequently caused by Exhaust leak upstream of or directly at the Sensor 2 bung letting in fresh air or Faulty downstream oxygen sensor.
Where is the OBD-II port located on my Dodge Hornet?
On the Dodge Hornet, the 16-pin DLC diagnostic connector is located Under driver steering column lower trim. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Dodge Hornet with code P0137?
Yes. Vehicle is fully drivable, but Check Engine Light will remain illuminated. Given that P0137 carries a Low severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.

