Engine-Codes.com
Engine-Codes – GMC – P116F GMC

P116F GMC Code - O2 Pump Current Control Circuit High Voltage (NOx Sensor 1)

Quick Answer

The P116F diagnostic trouble code (DTC) for GMC vehicles specifically relates to the O2 Pump Current Control Circuit High Voltage in the NOx Sensor 1. Common causes include Wiring or Connector Issues: Corrosion, damage, or loose connections in the wiring or connectors related to the O2 pump current control circuit, Faulty NOx Sensor: A malfunctioning NOx sensor can cause incorrect readings and trigger this code, Malfunctioning O2 Pump: Issues with the O2 pump itself, such as a motor failure or electrical malfunction. 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
P116F GMC indicates O2 Pump Current Control Circuit High Voltage (NOx Sensor 1).
Common causes
Common causes include Wiring or Connector Issues: Corrosion, damage, or loose connections in the wiring or connectors related to the O2 pump current control circuit, Faulty NOx Sensor: A malfunctioning NOx sensor can cause incorrect readings and trigger this code, Malfunctioning O2 Pump: Issues with the O2 pump itself, such as a motor failure or electrical malfunction.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 14, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P116F GMC Description

The P116F diagnostic trouble code (DTC) for GMC vehicles specifically relates to the O2 Pump Current Control Circuit High Voltage in the NOx Sensor 1. This code indicates that there is a high voltage condition in the circuit responsible for controlling the current of the O2 pump in the NOx sensor. The NOx sensor is a crucial component in the vehicle's emissions control system, responsible for monitoring and regulating the levels of nitrogen oxides in the exhaust gases.

OBDII Code P116F GMC - O2 Pump Current Control Circuit High Voltage (NOx Sensor 1)
P116F GMC Code - O2 Pump Current Control Circuit High Voltage (NOx Sensor 1)

Common Causes of P116F GMC

  1. Wiring or Connector Issues: Corrosion, damage, or loose connections in the wiring or connectors related to the O2 pump current control circuit.
  2. Faulty NOx Sensor: A malfunctioning NOx sensor can cause incorrect readings and trigger this code.
  3. Malfunctioning O2 Pump: Issues with the O2 pump itself, such as a motor failure or electrical malfunction.
  4. ECM Malfunction: Problems with the engine control module (ECM) that controls the O2 pump current control circuit.

Symptoms of P116F GMC

  1. Check Engine Light: The most common symptom associated with this code is the illumination of the check engine light on the vehicle's dashboard.
  2. Decreased Fuel Efficiency: A high voltage condition in the O2 pump current control circuit can lead to incorrect fuel mixture readings, resulting in decreased fuel efficiency.
  3. Reduced Engine Performance: The vehicle may experience a decrease in engine performance, such as hesitation or lack of power.
  4. Failed Emissions Test: If the issue is not addressed, it may cause the vehicle to fail emissions tests due to higher emissions levels.

How to Fix P116F GMC

  1. Diagnostic Scan: Use a diagnostic scan tool to retrieve the specific DTC and identify the source of the issue.
  2. Inspect Wiring and Connectors: Check the wiring and connectors in the O2 pump current control circuit for any damage, corrosion, or loose connections.
  3. Test NOx Sensor: Test the NOx sensor to determine if it is functioning properly or needs replacement.
  4. Check O2 Pump: Inspect the O2 pump for any malfunctions or electrical issues that may be causing the high voltage condition.
  5. Replace Components: Replace any faulty components identified during the diagnostic and inspection process to resolve the issue.

Cost to Fix P116F GMC

The typical repair costs for addressing a P116F GMC code can vary depending on the specific cause of the issue and the parts or components that need to be replaced. In general, the cost of parts for this repair can range from $100 to $500, with labor costs adding an additional $100 to $300. Overall, the total repair cost for this issue may fall within the range of $200 to $800. It's important to keep in mind that labor rates at auto repair shops can vary based on location, vehicle make and model, and other factors, so it's advisable to check with local shops for a more accurate estimate.

Need more information about the P116F GMC code?

Need more information on how to fix the P116F GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P116F GMC code diagnosed by a professional: Find a repair shop in your area

Information for Specific GMC Models

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P116F GMC Code

1. What are the common symptoms of OBDII code P116F in a GMC vehicle?

- Common symptoms of OBDII code P116F include poor engine performance, decreased fuel efficiency, and the illumination of the Check Engine Light.

2. What can cause the O2 Pump Current Control Circuit High Voltage (NOx Sensor 1) error code in a GMC vehicle?

- The P116F code in a GMC vehicle can be caused by issues such as a faulty NOx sensor, wiring problems, or a malfunctioning O2 pump current control circuit.

3. How serious is the O2 Pump Current Control Circuit High Voltage fault code in a GMC vehicle?

- The P116F fault code should be addressed promptly to prevent potential damage to the vehicle's emissions system and to ensure optimal engine performance.

4. Can I drive my GMC vehicle with the OBDII code P116F present?

- It is not recommended to drive your GMC vehicle with the P116F code present, as it can lead to poor engine performance and potential damage to the emissions system.

5. How can I diagnose the O2 Pump Current Control Circuit High Voltage error code in my GMC vehicle?

- Diagnosis of the P116F code typically involves using an OBDII scanner to retrieve the specific fault code and then conducting further testing to pinpoint the root cause.

6. What are some repair tips for fixing the O2 Pump Current Control Circuit High Voltage fault in a GMC vehicle?

- Repair tips for addressing the P116F code may include checking and replacing the NOx sensor, inspecting the wiring for any damage, and testing the O2 pump current control circuit for proper functionality.

7. Is it possible to reset the Check Engine Light after addressing the OBDII code P116F in a GMC vehicle?

- Yes, once the underlying issue causing the P116F code has been fixed, the Check Engine Light can be reset using an OBDII scanner to clear the error code.

8. Can a DIY enthusiast fix the O2 Pump Current Control Circuit High Voltage fault in a GMC vehicle?

- While some basic troubleshooting steps can be performed by a DIY enthusiast, diagnosing and repairing the P116F code may require specialized tools and expertise, so professional assistance is recommended.

9. How much does it cost to repair the O2 Pump Current Control Circuit High Voltage error code in a GMC vehicle?

- The cost of repairing the P116F code can vary depending on the specific cause of the issue, but it may involve expenses such as parts replacement, labor costs, and diagnostic fees.

10. Are there any preventive maintenance measures to avoid the OBDII code P116F in a GMC vehicle?

- To help prevent the occurrence of the P116F code, it is important to follow the manufacturer's recommended maintenance schedule, regularly inspect the emissions system, and address any issues promptly.

Discuss the causes and fixes for P116F GMC OBDII Code

Submit a New Comment

Code P116F GMC comments

No comments found for this page.