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Engine-Codes – Chevrolet – P216C 2018 Chevrolet Silverado

P216C 2018 Chevrolet Silverado Code - Cylinder 5 Injector High Control Circuit High Voltage

Quick Answer

The P216C diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado indicates an issue with the Cylinder 5 Injector High Control Circuit High Voltage. Common causes include Faulty fuel injector for cylinder 5, Wiring issues in the control circuit, Malfunctioning Engine Control Module (ECM). 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
P216C 2018 Chevrolet Silverado indicates Cylinder 5 Injector High Control Circuit High Voltage.
Common causes
Common causes include Faulty fuel injector for cylinder 5, Wiring issues in the control circuit, Malfunctioning Engine Control Module (ECM).
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code P216C 2018 Chevrolet Silverado Description

The P216C diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado indicates an issue with the Cylinder 5 Injector High Control Circuit High Voltage. This code specifically points to a problem with the control circuit that manages the fuel injector for cylinder 5 in the engine. The fuel injector is responsible for delivering the precise amount of fuel into the combustion chamber for efficient combustion. When the control circuit for this injector is experiencing high voltage, it can lead to various performance issues in the vehicle.

OBDII Code P216C 2018 Chevrolet Silverado - Cylinder 5 Injector High Control Circuit High Voltage
P216C 2018 Chevrolet Silverado Code - Cylinder 5 Injector High Control Circuit High Voltage

Common Causes of P216C 2018 Chevrolet Silverado

  1. Faulty fuel injector for cylinder 5
  2. Wiring issues in the control circuit
  3. Malfunctioning Engine Control Module (ECM)
  4. Poor electrical connections
  5. Corrosion or damage to the wiring harness

Symptoms of P216C 2018 Chevrolet Silverado

  1. Engine misfires or rough idling
  2. Decreased fuel efficiency
  3. Engine stalling
  4. Check Engine Light illuminated
  5. Reduced engine performance

How to Fix P216C 2018 Chevrolet Silverado

  1. Diagnose the specific cause of the high voltage in the control circuit for cylinder 5 injector.
  2. Inspect the wiring harness and connections for any damage or corrosion.
  3. Test the fuel injector for cylinder 5 to determine if it is functioning correctly.
  4. Replace the faulty fuel injector, repair any wiring issues, or replace the ECM if necessary.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P216C 2018 Chevrolet Silverado

The typical repair costs for addressing a P216C code on a 2018 Chevrolet Silverado can vary depending on the specific cause of the issue. Generally, the cost of parts such as a fuel injector, wiring harness, or ECM can range from $200 to $800. Labor costs at auto repair shops typically range from $80 to $150 per hour. Therefore, the total repair cost could be anywhere from $300 to $1500, including parts and labor. It is advisable to check with local auto repair shops for more accurate estimates based on your location and the extent of the repair needed.

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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 P216C 2018 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P216C in a 2018 Chevrolet Silverado?

The common symptoms of code P216C include rough idling, engine misfires, decreased fuel efficiency, and possibly a noticeable decrease in engine performance.

2. What can cause the OBDII code P216C to trigger in a 2018 Chevrolet Silverado?

The P216C code in a 2018 Chevrolet Silverado is typically triggered by issues such as a faulty cylinder 5 injector, high control circuit issues, or high voltage in the injector circuit.

3. How serious is the OBDII code P216C in a 2018 Chevrolet Silverado?

While the P216C code may not cause immediate harm to the vehicle, it can lead to poor engine performance, reduced fuel efficiency, and potential long-term damage if left unaddressed.

4. How can I diagnose the OBDII code P216C in my 2018 Chevrolet Silverado?

Diagnosing the P216C code involves using an OBDII scanner to retrieve the code, inspecting the cylinder 5 injector and its wiring, and performing voltage tests to identify the root cause of the issue.

5. What are some repair tips for fixing the OBDII code P216C in a 2018 Chevrolet Silverado?

Repairing the P216C code may involve replacing the faulty cylinder 5 injector, repairing any damaged wiring in the control circuit, or resetting the engine control module after fixing the issue.

6. Can I drive my 2018 Chevrolet Silverado with the OBDII code P216C?

It is not recommended to drive your Silverado with an active P216C code, as it can lead to further engine damage or performance issues. It's best to address the problem as soon as possible.

7. How much does it cost to fix the OBDII code P216C in a 2018 Chevrolet Silverado?

The cost of fixing the P216C code can vary depending on the extent of the issue and whether you choose to do the repairs yourself or take your vehicle to a professional mechanic. Costs can range from a few hundred to over a thousand dollars.

8. Can I reset the OBDII code P216C in my 2018 Chevrolet Silverado without fixing the underlying issue?

Resetting the code without addressing the underlying problem will only temporarily clear the error code. The issue will likely resurface, and it's important to fix the root cause to prevent further problems.

9. Is it common for the OBDII code P216C to reoccur in a 2018 Chevrolet Silverado after repairs?

If the root cause of the P216C code is not properly addressed during repairs, there is a possibility that the code may reoccur. Thorough diagnosis and repair are essential to prevent the issue from coming back.

10. Can a DIY enthusiast fix the OBDII code P216C in a 2018 Chevrolet Silverado?

While some DIY enthusiasts may be able to address the P216C code themselves, it's important to have the necessary tools, knowledge, and skills to properly diagnose and repair the issue. If unsure, it's best to seek professional help.

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