P1173 Code - Front Heated O2 Sensor No Inversion
Quick Answer
P1173 indicates Front Heated O2 Sensor No Inversion. Common causes include Exhaust leak, Faulty Front Heated O2 Sensor, Front Heated O2 Sensor harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1173 indicates Front Heated O2 Sensor No Inversion.
- Common causes
- Common causes include Exhaust leak, Faulty Front Heated O2 Sensor, Front Heated O2 Sensor harness is open or shorted.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1173 Description
What are the Possible Causes of the DTC P1173?
- Exhaust leak
- Faulty Front Heated O2 Sensor
- Front Heated O2 Sensor harness is open or shorted
- Front Heated O2 Sensor circuit poor electrical connection
How to Fix the DTC P1173?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1173 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Need Help with the Code?
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Information for Specific Makes
- P1173 Audi — Throttle Actuation Potentiometer Signal 2 Signal Too High
- P1173 BMW — Ambient Pressure Sensor Rationality Check
- P1173 Ford — Rotor Calibration Fault
- P1173 Hyundai — Electronic Throttle System Rationality Malfunction
- P1173 Land Rover — RH Bank Front HO2S Signal Fuel Trim Malfunction
- P1173 Mazda — HO2S-21 No Change Detected
- P1173 MINI — Ambient Pressure Sensor Rationality Check
- P1173 Volkswagen — Throttle Actuation Potentiometer Signal 2 Signal Too High
Frequently Asked Questions about P1173 Code
No Frequently Asked Questions about P1173 Code found.
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