P16A2 2016 GMC Sierra Code - Throttle Position Sensor Communication Circuit Performance
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 harness is open or shorted, Throttle Body 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
- P16A2 2016 GMC Sierra indicates Throttle Position Sensor Communication Circuit Performance.
- Common causes
- Common causes include Faulty Throttle Body Assembly, Throttle Body harness is open or shorted, Throttle Body 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 P16A2 2016 GMC Sierra Description
What are the Possible Causes of the DTC P16A2 2016 GMC Sierra?
- Faulty Throttle Body Assembly
- Throttle Body harness is open or shorted
- Throttle Body circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P16A2 2016 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 P16A2 2016 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.
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Frequently Asked Questions about P16A2 2016 GMC Sierra Code
1. What does the OBDII code P16A2 mean on a 2016 GMC Sierra?
P16A2 indicates a problem with the Throttle Position Sensor (TPS) communication circuit, specifically related to its performance.
2. What are the common symptoms of code P16A2?
Symptoms may include reduced engine performance, poor throttle response, the Check Engine Light turning on, and the vehicle entering limp mode.
3. What causes code P16A2 on a 2016 GMC Sierra?
Possible causes include a faulty throttle position sensor, damaged wiring or connectors in the TPS circuit, or a malfunctioning engine control module (ECM).
4. Can I drive my 2016 GMC Sierra with the P16A2 code?
Driving is possible but not recommended, as reduced engine performance or throttle response can lead to unsafe driving conditions.
5. How do I diagnose code P16A2?
Start by inspecting the TPS wiring and connectors for damage, checking for loose connections, and testing the sensor with a multimeter. Use a scan tool to monitor TPS signal data.
6. How do I fix code P16A2 on a GMC Sierra?
Repairs may include replacing the throttle position sensor, repairing or replacing damaged wiring, or reprogramming or replacing the ECM if necessary.
7. How much does it cost to repair code P16A2?
Repair costs can vary, but replacing a TPS typically ranges from $100 to $300, including parts and labor. ECM replacement may cost significantly more.
8. Can a dirty throttle body cause code P16A2?
While unlikely, a dirty throttle body can cause similar symptoms. Cleaning it may help but is not a definitive fix for P16A2.
9. Is code P16A2 related to other throttle-related codes?
Yes, it may appear alongside other TPS or throttle body codes, as they all involve the same system.
10. Do I need to clear the code after repairs?
Yes, after completing repairs, clear the code with an OBDII scanner and test drive the vehicle to ensure the issue is resolved.
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