P0137 on Honda Pilot
Factory diagnostic protocol and troubleshooting wire for fault code P0137 specifically for the Honda Pilot (2021–2026, 3.5L DOHC 24-Valve V6 (285HP / 10-Speed Auto)).
1. Symptoms of P0137 on Honda Pilot
When the Engine Control Module (ECM/PCM) on your Honda Pilot (3.5L DOHC 24-Valve V6 (285HP / 10-Speed Auto)) logs fault code P0137, drivers commonly observe:
2. Most Likely Causes on Honda Pilot
Historical warranty claims and technical repair bulletins for Honda Pilot point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Honda Pilot
Listen for exhaust ticking or black soot around flex pipe, flanges, and sensor bungs before the catalytic converter. on the Honda Pilot equipped with 3.5L DOHC 24-Valve V6 (285HP / 10-Speed Auto).
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 Honda Pilot equipped with 3.5L DOHC 24-Valve V6 (285HP / 10-Speed Auto).
Unplug harness, remove old sensor with 7/8 socket, install replacement sensor and plug firmly. on the Honda Pilot equipped with 3.5L DOHC 24-Valve V6 (285HP / 10-Speed Auto).
Clear DTCs and verify B1S2 holds steady between 0.45V and 0.75V during steady highway cruising. on the Honda Pilot equipped with 3.5L DOHC 24-Valve V6 (285HP / 10-Speed Auto).
Equipment for Diagnosing Honda Pilot (P0137)
Honda Pilot OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for Honda Pilot.
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 Honda Pilot
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Honda Pilot:
4. Honda Pilot P0137 FAQs
What causes code P0137 to trigger on a Honda Pilot?
On the Honda Pilot (3.5L DOHC 24-Valve V6 (285HP / 10-Speed Auto)), 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 Honda Pilot?
On the Honda Pilot, the 16-pin DLC diagnostic connector is located Under driver steering column. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Honda Pilot 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.