AutoCodes – Chevrolet – P16AD 2017 Chevrolet Silverado

P16AD 2017 Chevrolet Silverado Code - Glow Plug Control Module Temperature Sensor Circuit Low 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
P16AD 2017 Chevrolet Silverado indicates Glow Plug Control Module Temperature Sensor Circuit Low 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 247
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Oct 01, 2022
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Code P16AD 2017 Chevrolet Silverado Description

The Glow Plug Control Module (GPCM) has the ability to perform internal diagnostics for the temperature sensor circuit. The GPCM monitors the internal temperature sensor voltage and if the voltage is less than 0.21 V or greater than 4.94 V. The GPCM will send a message to the Engine Control Module (ECM) to set the appropriate Diagnostic Trouble Code (DTC). A DTC is detected when one of the GPCM temperature sensors voltage falls outside the calibrated threshold for greater than 1.3 s.
OBDII Code P16AD 2017 Chevrolet Silverado - Glow Plug Control Module Temperature Sensor Circuit Low Voltage - AutoCodes.com
P16AD 2017 Chevrolet Silverado Code - Glow Plug Control Module Temperature Sensor Circuit Low Voltage

What are the Possible Causes of the DTC P16AD 2017 Chevrolet Silverado?

  • 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 P16AD 2017 Chevrolet Silverado?

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 P16AD 2017 Chevrolet Silverado 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 P16AD 2017 Chevrolet Silverado code?

Need more information on how to fix the P16AD 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P16AD 2017 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P16AD 2017 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P16AD on a 2017 Chevrolet Silverado?

- Common symptoms include rough idling, decreased fuel efficiency, difficulty starting the vehicle, and potentially even a Check Engine light.

2. What causes the Glow Plug Control Module Temperature Sensor Circuit Low Voltage code on a 2017 Chevrolet Silverado?

- The code P16AD is typically triggered by issues such as a faulty glow plug control module, a malfunctioning temperature sensor, wiring problems, or poor electrical connections.

3. How can I diagnose the Glow Plug Control Module Temperature Sensor Circuit Low Voltage issue on my 2017 Silverado?

- To diagnose this problem, you can use an OBDII scanner to read the trouble code, inspect the glow plug control module and temperature sensor for any visible damage, and check the wiring and connections for any issues.

4. Can I still drive my 2017 Chevrolet Silverado with the P16AD code present?

- It is not recommended to drive the vehicle with the P16AD code active, as it can lead to further damage and potentially unsafe driving conditions.

5. What are some repair tips for fixing the Glow Plug Control Module Temperature Sensor Circuit Low Voltage problem?

- Repair tips may include replacing the glow plug control module, replacing the temperature sensor, repairing any damaged wiring, and ensuring all connections are secure and free of corrosion.

6. How much does it typically cost to repair the P16AD code on a 2017 Chevrolet Silverado?

- The cost of repairing the P16AD code can vary depending on the extent of the issue and the specific repairs needed, but it may range from $200 to $500 at a dealership or mechanic.

7. Are there any recalls or technical service bulletins related to the Glow Plug Control Module Temperature Sensor Circuit Low Voltage code on a 2017 Silverado?

- It's advisable to check with Chevrolet or the National Highway Traffic Safety Administration (NHTSA) for any recalls or technical service bulletins related to this specific OBDII code.

8. Can a DIY enthusiast fix the P16AD code issue on a 2017 Chevrolet Silverado?

- While some experienced DIY enthusiasts may be able to diagnose and repair the issue themselves, it is recommended to seek professional help for accurate diagnosis and proper repair to avoid further complications.

9. Will resetting the OBDII code clear the Glow Plug Control Module Temperature Sensor Circuit Low Voltage problem?

- Resetting the code may temporarily clear the Check Engine light, but it will not fix the underlying issue causing the P16AD code. It's crucial to diagnose and repair the problem to prevent it from recurring.

10. How long does it take to fix the Glow Plug Control Module Temperature Sensor Circuit Low Voltage issue on a 2017 Silverado?

- The repair time can vary depending on the exact cause of the problem and the complexity of the repair process, but it may take anywhere from 1 to 3 hours to address the P16AD code on a 2017 Chevrolet Silverado.

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