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P01502025 Model Year TelemetryHigh Severity

P0150 on 2025 Hyundai Tucson

O2 Sensor Circuit Malfunction (Bank 2 Sensor 1)

Technical troubleshooting wire for fault code P0150 specifically tailored for the 2025 Hyundai Tucson. Includes wiring sensor pinouts, freeze frame PID parameters, and step-by-step diagnostic tree.

2025 Engine Control Module (ECM) Specific Calibration
Hyundai Tucson2025 Tucson
2025 Hyundai Tucson
SUV2.5L Smartstream 4-Cyl (187HP) / 1.6L Turbo Hybrid (226HP) / PHEV (261HP)
2025 Stats
Vehicle
2025 Tucson
2.5L Smartstream 4-Cyl (187HP) / 1.6L Turbo Hybrid (226HP) / PHEV (261HP)
ECU Subsystem
Automotive OBD-II
SAE Mode $01 & $02
Est. Repair Cost
$130 - $380 (DIY: $45 - $130)
OEM Parts & DIY
Urgency Level
High
Drivable (Short)
Switch Tucson Model Year for P0150

Common 2025 Tucson Symptoms

  • Check Engine Light illuminated
  • Increased fuel consumption on V6/V8 engines
  • Rough idle or slight stumbling during acceleration
  • Rich or lean exhaust smell

Likely Root Causes on 2025 Tucson

  • Failing Bank 2 upstream oxygen sensor
  • Damaged wiring or melted harness on Bank 2 exhaust manifold
  • Exhaust manifold gasket leak on Bank 2
  • Blown O2 sensor heater circuit fuse

Step-by-Step Fix Protocol for 2025 Hyundai Tucson

Step 1: Scan & Record Freeze Frame Data

Connect an OBD-II scanner to the DLC port under the driver dashboard. Record engine RPM, Short Term / Long Term Fuel Trim (STFT/LTFT), and engine coolant temperature at the moment P0150 set.

Step 2: Inspect Wiring Harness & Pin Voltages

Inspect the sensor connector on the 2025 Tucson engine bay. Use a multimeter to verify reference voltage (5.0V / 12.0V) and ground continuity.

Step 3: Component Replacement & PCM Reset

Replace the verified defective component using OEM or equivalent grade parts. Clear DTC P0150 and complete an EPA drive cycle to verify readiness monitors set to READY.

Recommended Parts & Testing Tools

Equipment for Diagnosing 2025 Hyundai Tucson (P0150)

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Direct-Fit Replacement Part

2025 Hyundai Tucson OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

Direct-fit replacement assembly engineered to OEM tolerances for 2025 Hyundai Tucson.

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Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

4.6 / 5.0 (Best Seller)

Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.

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Top Mobile OBD-II Scanner

BlueDriver Bluetooth Pro OBDII Scan Tool

4.7 / 5.0 (50,000+ Reviews)

Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.

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