Engine-CodesGeneric – P216C

P216C Code - Cylinder 5 Injector High Control Circuit High Voltage

Quick Answer

The diagnostic trouble code P216C indicates an issue with the Cylinder 5 Injector High Control Circuit High Voltage. Common causes include Wiring issues, Faulty fuel injector, Malfunctioning 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 indicates Cylinder 5 Injector High Control Circuit High Voltage.
Common causes
Common causes include Wiring issues, Faulty fuel injector, Malfunctioning 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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P216C Description

The diagnostic trouble code P216C indicates an issue with the Cylinder 5 Injector High Control Circuit High Voltage. This code is typically found in vehicles with fuel injection systems, where each cylinder has an injector responsible for delivering fuel into the combustion chamber. In this case, the code specifically points to a problem with the high voltage control circuit for the injector in cylinder 5.

OBDII Code P216C - Cylinder 5 Injector High Control Circuit High Voltage
P216C Code - Cylinder 5 Injector High Control Circuit High Voltage

Common Causes of P216C

  1. Wiring issues
  2. Faulty fuel injector
  3. Malfunctioning ECM
  4. Problem with the fuel injector control module

Symptoms of P216C

  1. Engine misfires
  2. Rough idling
  3. Decreased fuel efficiency
  4. Engine stalling
  5. Check Engine Light illuminated

How to Fix P216C

  1. Inspect the wiring harness for any damage or loose connections.
  2. Test the fuel injector in cylinder 5 to determine if it is functioning properly.
  3. Check the ECM and fuel injector control module for any faults or malfunctions.
  4. Replace any faulty components identified during the diagnostic process.
  5. Clear the trouble code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P216C

The cost of repairing a Cylinder 5 Injector High Control Circuit High Voltage issue can vary depending on the specific cause of the problem and the necessary repairs. In general, the cost of parts such as a new fuel injector or ECM can range from $200 to $500, while labor costs can add another $100 to $200 to the total repair bill. Overall, the total cost of addressing this issue can range from $300 to $700, but it's important to note that these estimates are rough and can vary based on factors such as location, vehicle make and model, and the repair shop's labor rates. It's recommended to consult with a professional technician for a more accurate cost estimate tailored to your specific situation.

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Code P216C Information for Specific Makes

  • P216C Buick — Cylinder 5 Injector High Control Circuit High Voltage
  • P216C Cadillac — Cylinder 5 Injector High Control Circuit High Voltage
  • P216C Chevrolet — Cylinder 5 Injector High Control Circuit High Voltage
  • P216C GMC — Cylinder 5 Injector High Control Circuit High Voltage
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.

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