P16AE 2015 GMC Sierra Code - Glow Plug Control Module Temperature Sensor Circuit High Voltage
Quick Answer
The Glow Plug Control Module (GPCM) has the ability to perform internal diagnostics for the temperature sensor circuit. Common causes include Faulty Glow Plug Control Module (GPCM), Glow Plug Control Module harness is open or shorted, Glow Plug Control Module 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
- P16AE 2015 GMC Sierra indicates Glow Plug Control Module Temperature Sensor Circuit High Voltage.
- Common causes
- Common causes include Faulty Glow Plug Control Module (GPCM), Glow Plug Control Module harness is open or shorted, Glow Plug Control Module 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 P16AE 2015 GMC Sierra Description
What are the Possible Causes of the DTC P16AE 2015 GMC Sierra?
- Faulty Glow Plug Control Module (GPCM)
- Glow Plug Control Module harness is open or shorted
- Glow Plug Control Module circuit poor electrical connection
How to Fix the DTC P16AE 2015 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 P16AE 2015 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 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.
Discuss the causes and fixes for P16AE 2015 GMC Sierra OBDII Code
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