P117C Code - Bank 3 Oxygen Sensor Correction Behind Converter Lean Control Limit Exceeded
Quick Answer
The Engine Control Module (ECM) monitors the Bank 3 Oxygen Sensor. Common causes include Faulty Oxygen Sensor, Oxygen Sensor harness is open or shorted, Oxygen Sensor circuit poor electrical connection. 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
- P117C indicates Bank 3 Oxygen Sensor Correction Behind Converter Lean Control Limit Exceeded.
- Common causes
- Common causes include Faulty Oxygen Sensor, Oxygen Sensor harness is open or shorted, Oxygen Sensor circuit poor electrical connection.
- 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 P117C Description
What are the Possible Causes of the DTC P117C?
- Faulty Oxygen Sensor
- Oxygen Sensor harness is open or shorted
- Oxygen Sensor circuit poor electrical connection
- Cylinder misfire
- Rich/Lean air fuel ratio
How to Fix the DTC P117C?
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 P117C 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?
Get the P117C code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P117C Audi — Bank 3 Oxygen Sensor Correction Behind Converter Lean Control Limit Exceeded
- P117C Volkswagen — Bank 3 Oxygen Sensor Correction Behind Converter Lean Control Limit Exceeded
Frequently Asked Questions about P117C Code
1. What are the common symptoms of OBDII code P117C Bank 3 Oxygen Sensor Correction Behind Converter Lean Control Limit Exceeded?
The common symptoms include poor fuel economy, rough idling, engine hesitation, and a check engine light illuminated on the dashboard.
2. What are the possible causes of OBDII code P117C Bank 3 Oxygen Sensor Correction Behind Converter Lean Control Limit Exceeded?
Possible causes include a faulty oxygen sensor, a vacuum leak, a clogged fuel injector, a malfunctioning mass airflow sensor, or a problem with the fuel system.
3. How can I diagnose OBDII code P117C Bank 3 Oxygen Sensor Correction Behind Converter Lean Control Limit Exceeded?
Diagnosis typically involves using an OBDII scanner to read the code, inspecting the oxygen sensor, checking for vacuum leaks, testing the fuel injectors, and examining the mass airflow sensor.
4. What are the repair options for OBDII code P117C Bank 3 Oxygen Sensor Correction Behind Converter Lean Control Limit Exceeded?
Repair options may include replacing the oxygen sensor, fixing any vacuum leaks, cleaning or replacing clogged fuel injectors, repairing or replacing the mass airflow sensor, or addressing any issues with the fuel system.
5. Can I continue driving my vehicle with OBDII code P117C Bank 3 Oxygen Sensor Correction Behind Converter Lean Control Limit Exceeded?
It is not recommended to continue driving your vehicle with this code present, as it can lead to further damage to the engine and emissions system. It is best to address the issue promptly.
6. How long does it typically take to repair OBDII code P117C Bank 3 Oxygen Sensor Correction Behind Converter Lean Control Limit Exceeded?
The repair time can vary depending on the exact cause of the code and the extent of the repairs needed. It could range from a quick sensor replacement to a more involved troubleshooting process.
7. Can a DIY enthusiast fix OBDII code P117C Bank 3 Oxygen Sensor Correction Behind Converter Lean Control Limit Exceeded?
While some aspects of the repair may be within the realm of a skilled DIY enthusiast, diagnosing and repairing this code often requires specialized tools and knowledge. It is recommended to consult a professional mechanic for assistance.
8. What is the role of the oxygen sensor in relation to OBDII code P117C Bank 3 Oxygen Sensor Correction Behind Converter Lean Control Limit Exceeded?
The oxygen sensor measures the amount of oxygen in the exhaust gases and provides feedback to the engine control module. A malfunctioning oxygen sensor can lead to a lean air-fuel mixture, triggering this error code.
9. Are there any preventative maintenance steps to avoid OBDII code P117C Bank 3 Oxygen Sensor Correction Behind Converter Lean Control Limit Exceeded?
Regularly scheduled maintenance, such as changing the oxygen sensor at recommended intervals, ensuring the fuel system is clean, and checking for vacuum leaks, can help prevent issues that may trigger this error code.
10. Can weather or environmental conditions trigger OBDII code P117C Bank 3 Oxygen Sensor Correction Behind Converter Lean Control Limit Exceeded?
Extreme weather conditions or environmental factors can sometimes contribute to the triggering of this code, especially if they affect the engine's ability to maintain the correct air-fuel mixture ratio.
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