P0137 on Acura ZDX
Factory diagnostic protocol and troubleshooting wire for fault code P0137 specifically for the Acura ZDX (2024–2026, Single / Dual Motor EV (340HP / Type S 500HP / SH-AWD)).
1. Symptoms of P0137 on Acura ZDX
When the Engine Control Module (ECM/PCM) on your Acura ZDX (Single / Dual Motor EV (340HP / Type S 500HP / SH-AWD)) logs fault code P0137, drivers commonly observe:
2. Most Likely Causes on Acura ZDX
Historical warranty claims and technical repair bulletins for Acura ZDX point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Acura ZDX
Listen for exhaust ticking or black soot around flex pipe, flanges, and sensor bungs before the catalytic converter. on the Acura ZDX equipped with Single / Dual Motor EV (340HP / Type S 500HP / SH-AWD).
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 Acura ZDX equipped with Single / Dual Motor EV (340HP / Type S 500HP / SH-AWD).
Unplug harness, remove old sensor with 7/8 socket, install replacement sensor and plug firmly. on the Acura ZDX equipped with Single / Dual Motor EV (340HP / Type S 500HP / SH-AWD).
Clear DTCs and verify B1S2 holds steady between 0.45V and 0.75V during steady highway cruising. on the Acura ZDX equipped with Single / Dual Motor EV (340HP / Type S 500HP / SH-AWD).
Equipment for Diagnosing Acura ZDX (P0137)
Acura ZDX OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for Acura ZDX.
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 Acura ZDX
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Acura ZDX:
4. Acura ZDX P0137 FAQs
What causes code P0137 to trigger on a Acura ZDX?
On the Acura ZDX (Single / Dual Motor EV (340HP / Type S 500HP / SH-AWD)), 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 Acura ZDX?
On the Acura ZDX, the 16-pin DLC diagnostic connector is located Driver lower dash bulkhead EV interface. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Acura ZDX 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.

