The P216D: Fuel Injector Group ‘F’ Supply Voltage Circuit/Open refers to a problem where the supply voltage circuit for fuel injector group ‘F’ is open or malfunctioning. This could be caused by an open circuit, faulty injectors, or issues with the wiring or power supply.
P216D – Quick Overview
Code | Information |
---|---|
Meaning | P216D: Fuel Injector Group ‘F’ Supply Voltage Circuit/Open |
Is it serious? | Yes, this can lead to engine performance issues, misfires, or poor fuel delivery. |
Possible causes | – Open circuit in the fuel injector group ‘F’ supply voltage – Faulty fuel injector group ‘F’ – Wiring or power supply issues |
How to diagnose? | – Inspect the fuel injector group ‘F’ supply circuit for open connections – Test the fuel injector group ‘F’ – Check wiring and power supply for faults |
P216D Meaning
The P216D: Fuel Injector Group ‘F’ Supply Voltage Circuit/Open code indicates that the engine control module (ECM) has detected an open circuit in the supply voltage for fuel injector group ‘F’. The fuel injectors are essential for delivering the correct amount of fuel to the engine, and an open circuit can cause improper fuel delivery, leading to engine misfires, poor performance, or failure to start.
Step-by-step diagnostic guide
Action | Description | Tools Needed |
---|---|---|
Check for Other Codes | Use an OBD-II scanner to check for any other related codes that may provide further insight into the issue. | OBD-II Scanner |
Inspect Supply Circuit | Visually inspect the fuel injector group ‘F’ supply voltage circuit for open connections, damaged wires, or signs of corrosion. | Flashlight, Safety Gloves |
Test Fuel Injector Group ‘F’ | Use a multimeter or diagnostic tool to test the fuel injectors in group ‘F’ to ensure they are operating correctly. | Multimeter, Diagnostic Tool |
Check Power Supply and Wiring | Inspect the power supply and wiring for the fuel injector group ‘F’ to ensure proper voltage is being delivered and there are no open circuits. | Multimeter, Wiring Diagram |
Repair or Replace Faulty Components | Repair or replace any faulty wiring, connectors, or fuel injectors as needed to resolve the open circuit issue. | Replacement Parts, Tools |
Clear the Code and Test Drive | After making the necessary repairs, clear the P216D code using an OBD-II scanner and take the vehicle for a test drive to verify that the issue is resolved. | OBD-II Scanner |
Recheck for Codes | After the test drive, re-scan the vehicle to ensure that the P216D code does not return. | OBD-II Scanner |

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