P216C GMC Code - Cylinder 5 Injector High Control Circuit High Voltage
Quick Answer
The Engine Control Module (ECM) supplies voltage to each fuel injector on the high control circuits. Common causes include Faulty Fuel Injector 5, Fuel Injector 5 harness is open or shorted, Fuel Injector 5 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
- P216C GMC indicates Cylinder 5 Injector High Control Circuit High Voltage.
- Common causes
- Common causes include Faulty Fuel Injector 5, Fuel Injector 5 harness is open or shorted, Fuel Injector 5 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 P216C GMC Description
What are the Possible Causes of the DTC P216C GMC?
- Faulty Fuel Injector 5
- Fuel Injector 5 harness is open or shorted
- Fuel Injector 5 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P216C GMC?
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 P216C GMC 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 P216C GMC code?
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Need Help with the Code?
Get the P216C GMC code diagnosed by a professional: Find a repair shop in your area
Information for Specific GMC Models
- P216C 2014 GMC Sierra — Cylinder 5 Injector High Control Circuit High Voltage
- P216C 2015 GMC Sierra — Cylinder 5 Injector High Control Circuit High Voltage
- P216C 2016 GMC Sierra — Cylinder 5 Injector High Control Circuit High Voltage
- P216C 2017 GMC Sierra — Cylinder 5 Injector High Control Circuit High Voltage
- P216C 2018 GMC Sierra — Cylinder 5 Injector High Control Circuit High Voltage
Frequently Asked Questions about P216C GMC Code
1. What are the common symptoms of OBDII code P216C on a GMC vehicle?
- Common symptoms may include rough idling, reduced engine performance, engine misfires, and possible stalling.
2. What can cause the Cylinder 5 Injector High Control Circuit High Voltage code on a GMC?
- Possible causes include a faulty fuel injector, wiring issues, a defective Engine Control Module (ECM), or a poor electrical connection.
3. How can I diagnose the Cylinder 5 Injector High Control Circuit High Voltage code on my GMC?
- Diagnosis typically involves checking the wiring and connections related to the fuel injector, testing the injector resistance, and inspecting the ECM for any signs of damage.
4. Can a DIY enthusiast repair the P216C OBDII code on a GMC?
- Repairing this code may require advanced automotive knowledge and tools. It is recommended to consult a professional mechanic for accurate diagnosis and repair.
5. Is it safe to continue driving with the Cylinder 5 Injector High Control Circuit High Voltage code present?
- It is not advisable to continue driving with this code active, as it can lead to further engine damage and potentially unsafe driving conditions.
6. How much does it typically cost to repair the P216C code on a GMC?
- Repair costs can vary depending on the specific issue causing the code. It is recommended to obtain a diagnostic from a qualified mechanic to determine the exact repair cost.
7. Can a faulty fuel injector cause the Cylinder 5 Injector High Control Circuit High Voltage code?
- Yes, a faulty fuel injector can cause this code to trigger, as it may not be delivering fuel properly to the cylinder.
8. Are there any preventative measures to avoid the P216C code on a GMC?
- Regular maintenance, such as fuel system cleanings and inspections, can help prevent issues that may lead to the Cylinder 5 Injector High Control Circuit High Voltage code.
9. Can a bad connection at the fuel injector harness cause the P216C code?
- Yes, a poor electrical connection at the fuel injector harness can cause the code to appear due to disrupted communication between the injector and the ECM.
10. How urgent is it to address the Cylinder 5 Injector High Control Circuit High Voltage code on a GMC?
- It is recommended to address this code promptly to prevent further damage to the engine and ensure the vehicle's optimal performance.
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