P16A1 2014 GMC Sierra Code - Throttle Position Sensor Communication Circuit High Voltage
Quick Answer
The Throttle Body Assembly contains a contact-less inductive throttle position sensing element that is managed by a customized integrated circuit. Common causes include Faulty Throttle Body Assembly, Throttle Body Assembly harness is open or shorted, Throttle Body Assembly 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
- P16A1 2014 GMC Sierra indicates Throttle Position Sensor Communication Circuit High Voltage.
- Common causes
- Common causes include Faulty Throttle Body Assembly, Throttle Body Assembly harness is open or shorted, Throttle Body Assembly 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 P16A1 2014 GMC Sierra Description
What are the Possible Causes of the DTC P16A1 2014 GMC Sierra?
- Faulty Throttle Body Assembly
- Throttle Body Assembly harness is open or shorted
- Throttle Body Assembly circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P16A1 2014 GMC Sierra?
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 P16A1 2014 GMC Sierra 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.
Need more information about the P16A1 2014 GMC Sierra code?
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Frequently Asked Questions about P16A1 2014 GMC Sierra Code
1. What are the common symptoms of OBDII code P16A1 in a 2014 GMC Sierra?
- Common symptoms include poor acceleration, rough idling, stalling, and the check engine light coming on.
2. What causes the Throttle Position Sensor Communication Circuit High Voltage error code in a 2014 GMC Sierra?
- The P16A1 code is typically triggered by a faulty throttle position sensor, wiring issues, or a problem with the engine control module.
3. How can I diagnose the Throttle Position Sensor Communication Circuit High Voltage issue in my 2014 GMC Sierra?
- You can use a diagnostic scanner to read the trouble codes, perform a visual inspection of the sensor and related wiring, and test the sensor's voltage output.
4. Can I drive my 2014 GMC Sierra with the P16A1 code present?
- It is not recommended to drive the vehicle with the P16A1 code active, as it can lead to poor performance and potential safety hazards.
5. How do I repair the Throttle Position Sensor Communication Circuit High Voltage problem in my 2014 GMC Sierra?
- To repair this issue, you may need to replace the throttle position sensor, repair any damaged wiring, or reprogram the engine control module.
6. Are there any DIY tips for fixing the P16A1 code in a 2014 GMC Sierra?
- While some basic troubleshooting like checking connections and wiring can be done by DIY enthusiasts, it is recommended to consult a professional mechanic for accurate diagnosis and repair.
7. How much does it cost to fix the Throttle Position Sensor Communication Circuit High Voltage issue in a 2014 GMC Sierra?
- The cost of repairing the P16A1 code can vary depending on the exact cause of the problem, but it may range from $100 to $300 for parts and labor.
8. Will resetting the OBDII code P16A1 in my 2014 GMC Sierra make it go away permanently?
- Resetting the code may temporarily turn off the check engine light, but if the underlying issue is not fixed, the code is likely to reappear.
9. Can a bad throttle position sensor cause other problems in my 2014 GMC Sierra besides the P16A1 code?
- Yes, a faulty throttle position sensor can cause issues like poor fuel efficiency, harsh shifting, and overall drivability problems.
10. Is it safe to continue driving my 2014 GMC Sierra if the throttle position sensor communication circuit is showing high voltage?
- It is not recommended to drive the vehicle with this issue unresolved, as it can lead to further damage and potential safety risks.
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