P16AE 2015 GMC Sierra Code - Glow Plug Control Module Temperature Sensor Circuit High Voltage
Quick Answer
The diagnostic trouble code P16AE for a 2015 GMC Sierra refers to an issue with the Glow Plug Control Module Temperature Sensor Circuit registering high voltage. Common causes include Faulty Glow Plug Control Module Temperature Sensor, Wiring issues or poor connections in the temperature sensor circuit, Corrosion or damage to the sensor or module. 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 2015 GMC Sierra indicates Glow Plug Control Module Temperature Sensor Circuit High Voltage.
- Common causes
- Common causes include Faulty Glow Plug Control Module Temperature Sensor, Wiring issues or poor connections in the temperature sensor circuit, Corrosion or damage to the sensor or module.
- 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 2015 GMC Sierra Description
The diagnostic trouble code P16AE for a 2015 GMC Sierra refers to an issue with the Glow Plug Control Module Temperature Sensor Circuit registering high voltage. The Glow Plug Control Module is a crucial component in diesel engines, responsible for controlling the operation of the glow plugs which aid in starting the engine by preheating the combustion chamber. The temperature sensor within the module helps to monitor the temperature of the glow plug system to ensure optimal performance.
Common Causes of P16AE 2015 GMC Sierra
- Faulty Glow Plug Control Module Temperature Sensor
- Wiring issues or poor connections in the temperature sensor circuit
- Corrosion or damage to the sensor or module
- Electrical system issues affecting the voltage readings
- Engine overheating leading to high temperature readings
Symptoms of P16AE 2015 GMC Sierra
- Hard starting or extended cranking time
- Rough idle or misfiring
- Decreased fuel efficiency
- Check engine light illuminated
- Increased exhaust emissions
How to Fix P16AE 2015 GMC Sierra
- Begin by diagnosing the exact cause of the high voltage reading using a diagnostic scanner.
- Inspect the wiring and connections in the temperature sensor circuit for any damage or corrosion.
- Test the temperature sensor for proper function or replace it if necessary.
- Check the Glow Plug Control Module for any signs of malfunction and replace if needed.
- Clear the trouble code and test the vehicle to ensure the issue has been resolved.
Cost to Fix P16AE 2015 GMC Sierra
The cost of repairing a Glow Plug Control Module Temperature Sensor Circuit high voltage issue can vary depending on the specific cause of the problem and the cost of parts and labor. On average, the repair cost for this type of issue can range from $200 to $500, including parts and labor. However, it's important to note that labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 to $150. Additionally, the cost may be higher if the Glow Plug Control Module needs to be replaced. It is recommended to obtain a detailed quote from a reputable auto repair shop to get an accurate estimate for this repair.
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Frequently Asked Questions about P16AE 2015 GMC Sierra Code
1. What does the OBDII code P16AE mean on a 2015 GMC Sierra?
P16AE indicates a problem with the Glow Plug Control Module Temperature Sensor Circuit, specifically a high voltage issue.
2. What are the common symptoms of code P16AE in a 2015 GMC Sierra?
Symptoms may include a check engine light, hard starting in cold weather, reduced engine performance, or poor fuel economy.
3. What causes the P16AE code to trigger in a 2015 GMC Sierra?
Common causes include a faulty glow plug control module, damaged wiring or connectors in the temperature sensor circuit, or a malfunctioning temperature sensor.
4. Can I drive my 2015 GMC Sierra with a P16AE code?
While the truck may still be drivable, it’s not recommended as the issue could lead to increased emissions, poor performance, and potential damage during cold starts.
5. How do I diagnose the P16AE code on my 2015 GMC Sierra?
Start by scanning for codes, inspecting the wiring and connectors for damage, and testing the glow plug control module and temperature sensor for proper operation.
6. How do I fix the P16AE code on a 2015 GMC Sierra?
Repairs may involve replacing the glow plug control module, fixing damaged wiring or connectors, or replacing a faulty temperature sensor.
7. How much does it cost to repair a P16AE code on a 2015 GMC Sierra?
Repair costs can vary but typically range from $150 to $500, depending on whether the glow plug control module or other components need replacement.
8. Can a dead battery cause the P16AE code in a 2015 GMC Sierra?
While a dead battery is unlikely to directly cause this code, low voltage or power surges during starting may contribute to electrical issues in the module.
9. What tools are needed to troubleshoot the P16AE code on a 2015 GMC Sierra?
You’ll need an OBDII scanner, a multimeter to test voltage and resistance, and potentially a repair manual specific to the vehicle.
10. What happens if I ignore the P16AE code on my 2015 GMC Sierra?
Ignoring this code can result in prolonged cold starts, increased fuel consumption, and potential damage to the glow plug system over time.
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