P16AE 2017 GMC Sierra Code - Glow Plug Control Module Temperature Sensor Circuit High Voltage
Quick Answer
The P16AE diagnostic trouble code (DTC) for a 2017 GMC Sierra refers to the Glow Plug Control Module Temperature Sensor Circuit High Voltage. Common causes include Faulty glow plug control module, Malfunctioning temperature sensor, Wiring issues or shorts in the temperature sensor circuit. 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
- P16AE 2017 GMC Sierra indicates Glow Plug Control Module Temperature Sensor Circuit High Voltage.
- Common causes
- Common causes include Faulty glow plug control module, Malfunctioning temperature sensor, Wiring issues or shorts in the temperature sensor circuit.
- 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.
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Code P16AE 2017 GMC Sierra Description
The P16AE diagnostic trouble code (DTC) for a 2017 GMC Sierra refers to the Glow Plug Control Module Temperature Sensor Circuit High Voltage. This code indicates that there is a problem with the temperature sensor circuit in the glow plug control module, which is responsible for monitoring the temperature of the glow plug system. The glow plug system is crucial for diesel engines as it helps with cold starts by preheating the combustion chamber.
Common Causes of P16AE 2017 GMC Sierra
- Faulty glow plug control module.
- Malfunctioning temperature sensor.
- Wiring issues or shorts in the temperature sensor circuit.
- Corrosion or poor connections in the electrical system.
- Software or programming issues with the control module.
Symptoms of P16AE 2017 GMC Sierra
- Difficulty starting the engine, especially in cold weather.
- Rough idling or misfiring.
- Decreased fuel efficiency.
- Illumination of the check engine light.
- Engine performance issues, such as lack of power or acceleration.
How to Fix P16AE 2017 GMC Sierra
- Begin by diagnosing the specific cause of the high voltage in the temperature sensor circuit using a diagnostic scanner.
- Inspect the wiring and connections for any damage, corrosion, or loose connections. Repair or replace as needed.
- Test the temperature sensor for proper operation and replace if faulty.
- Check the glow plug control module for any signs of malfunction and replace if necessary.
- Clear the DTC and test the vehicle to ensure the issue has been resolved.
Cost to Fix P16AE 2017 GMC Sierra
The typical repair costs for addressing a P16AE code on a 2017 GMC Sierra can range from $200 to $500, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 and $150. Factors such as location, vehicle make and model, and engine type can also influence the overall repair costs. For a more accurate estimate, it's recommended to consult with a local auto repair shop.
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Frequently Asked Questions about P16AE 2017 GMC Sierra Code
1. What does OBDII code P16AE mean on a 2017 GMC Sierra?
Code P16AE indicates a high voltage issue in the Glow Plug Control Module Temperature Sensor Circuit, which monitors engine temperature for proper glow plug operation.
2. What are the symptoms of code P16AE on a 2017 GMC Sierra?
Common symptoms include difficulty starting in cold weather, reduced engine performance, and an illuminated check engine light.
3. What causes the P16AE code to appear?
Potential causes include a faulty glow plug control module temperature sensor, damaged or corroded wiring, poor electrical connections, or a malfunctioning control module.
4. Can I continue driving with code P16AE on my 2017 GMC Sierra?
While the vehicle may still run, prolonged driving with this code could lead to harder starts in cold weather and potential damage to related components. Prompt diagnosis and repair are recommended.
5. How is the P16AE code diagnosed?
A technician typically uses a scan tool to check the code, inspects the temperature sensor and wiring for damage or corrosion, and tests the sensor’s voltage and resistance.
6. How do you fix the P16AE code?
Repairs may include replacing the glow plug control module temperature sensor, repairing or replacing damaged wiring, cleaning corroded connections, or reprogramming/replacing the glow plug control module.
7. How much does it cost to repair code P16AE on a 2017 GMC Sierra?
The repair cost can vary, but replacing the temperature sensor typically ranges from $100 to $300, including parts and labor. Wiring repairs or module replacement may cost more.
8. Can a bad glow plug cause the P16AE code?
No, this code specifically relates to the temperature sensor circuit in the glow plug control module, not the glow plugs themselves.
9. What tools are needed to troubleshoot the P16AE code?
Tools may include a scan tool or OBDII reader, a multimeter for voltage and resistance testing, and basic hand tools for inspecting and replacing components.
10. Is the P16AE code covered under warranty for a 2017 GMC Sierra?
It depends on the vehicle’s warranty status and coverage terms. Check with your dealership to see if the repair qualifies under the powertrain or emissions warranty.
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