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P0151 on Honda HR-V

O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1)

Factory diagnostic protocol and troubleshooting wire for fault code P0151 specifically for the Honda HR-V (2023–2026, 2.0L DOHC i-VTEC 4-Cyl (158HP / CVT AWD)).

Verified OEM Telemetry & Field Repair Tree
Honda HR-V2023–2026
Honda HR-V
SUV2.0L DOHC i-VTEC 4-Cyl (158HP / CVT AWD)
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
HR-V SAE Mode $01
ECU Network Bus
500 kbps CAN-FD
ISO 15765-4 Compliant
Drivability Status
Drivable (Short Trip)
High urgency level
Est. Repair Cost
$130 - $380
Parts & Labor DIY
Check P0151 On Another Honda Model:
Diagnose P0151 on Specific HR-V Model Year:

1. Symptoms of P0151 on Honda HR-V

When the Engine Control Module (ECM/PCM) on your Honda HR-V (2.0L DOHC i-VTEC 4-Cyl (158HP / CVT AWD)) logs fault code P0151, drivers commonly observe:

Check Engine Light on on Honda HR-V (2.0L DOHC i-VTEC 4-Cyl (158HP / CVT AWD))
High fuel consumption on V6/V8 on Honda HR-V (2.0L DOHC i-VTEC 4-Cyl (158HP / CVT AWD))
Rough idle on Honda HR-V (2.0L DOHC i-VTEC 4-Cyl (158HP / CVT AWD))
Honda HR-V OBD-II Port Location
The 16-pin diagnostic connector is located Driver footwell lower trim near kick panel. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Honda HR-V

Historical warranty claims and technical repair bulletins for Honda HR-V point to the following failure distribution:

55%
Failed Bank 2 upstream sensor (Honda OEM Part)
25%
Bank 2 exhaust leak (Honda OEM Part)
12%
Short to ground in signal wire (Honda OEM Part)
* Source: Synthesized from NHTSA ODI field repair telemetry and verified OEM Technical Service Bulletin (TSB) repair tree frequency percentiles for Honda HR-V.

3. Step-by-Step DIY Repair Guide for Honda HR-V

01
Scan and Record Freeze Frame Telemetry

Connect an OBD-II scan tool and record freeze frame sensor telemetry for code P0151 to note engine RPM, load, and voltage when the fault triggered. on the Honda HR-V equipped with 2.0L DOHC i-VTEC 4-Cyl (158HP / CVT AWD).

Required Tool: OBD-II Scanner
02
Inspect Related Wiring Harness & Connectors

Inspect the electrical connector and wiring harness related to P0151 for chafing, corrosion, moisture, or pin push-out. on the Honda HR-V equipped with 2.0L DOHC i-VTEC 4-Cyl (158HP / CVT AWD).

Required Tool: Flashlight, Multimeter
03
Test Component Resistance & Voltage Supply

Measure circuit voltage supply (12V B+ or 5V reference) and sensor/actuator resistance according to factory repair manual specifications. on the Honda HR-V equipped with 2.0L DOHC i-VTEC 4-Cyl (158HP / CVT AWD).

Required Tool: Digital Multimeter
04
Replace Defective Component

Install a new OEM-grade replacement part, torque fasteners to factory spec, and ensure electrical locking tabs click firmly. on the Honda HR-V equipped with 2.0L DOHC i-VTEC 4-Cyl (158HP / CVT AWD).

Required Tool: Hand Tool Socket Set, Torque Wrench
05
Clear Trouble Codes & Complete Drive Cycle

Clear all stored DTCs from vehicle memory and perform an OBD-II drive cycle to confirm the diagnostic monitor resets to 'Ready'. on the Honda HR-V equipped with 2.0L DOHC i-VTEC 4-Cyl (158HP / CVT AWD).

Required Tool: OBD-II Scanner
Recommended Parts & Testing Tools

Equipment for Diagnosing Honda HR-V (P0151)

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Honda HR-V OEM Replacement Sensor

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Direct-fit replacement assembly engineered to OEM tolerances for Honda HR-V.

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Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

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

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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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Other Common Fault Codes on Honda HR-V

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Honda HR-V:

4. Honda HR-V P0151 FAQs

What causes code P0151 to trigger on a Honda HR-V?

On the Honda HR-V (2.0L DOHC i-VTEC 4-Cyl (158HP / CVT AWD)), P0151 is most frequently caused by Failed Bank 2 upstream sensor or Bank 2 exhaust leak.

Where is the OBD-II port located on my Honda HR-V?

On the Honda HR-V, the 16-pin DLC diagnostic connector is located Driver footwell lower trim near kick panel. 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 HR-V with code P0151?

Caution. Bank 2 reported lean. Given that P0151 carries a High severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.