The P217A: Fuel Injector Group ‘G’ Supply Voltage Circuit/Open refers to an issue where the supply voltage circuit for fuel injector group ‘G’ is open or not functioning correctly. This may be caused by an open circuit, faulty injectors, or problems with wiring and the power supply.
P217A – Quick Overview
Code | Information |
---|---|
Meaning | P217A: Fuel Injector Group ‘G’ Supply Voltage Circuit/Open |
Is it serious? | Yes, this can cause misfires, rough idling, and poor engine performance. |
Possible causes | – Open circuit in the fuel injector group ‘G’ supply voltage – Faulty fuel injector group ‘G’ – Wiring or power supply issues |
How to diagnose? | – Inspect the fuel injector group ‘G’ supply circuit for open connections – Test the fuel injector group ‘G’ – Check wiring and power supply for faults |
P217A Meaning
The P217A: Fuel Injector Group ‘G’ Supply Voltage Circuit/Open code indicates that the engine control module (ECM) has detected an open circuit or fault in the voltage supply for fuel injector group ‘G’. This can cause improper fuel delivery, resulting in rough idling, engine misfires, or loss of power. Issues with the wiring, connectors, or injectors can lead to this code being triggered.
Step-by-step diagnostic guide
Action | Description | Tools Needed |
---|---|---|
Check for Other Codes | Use an OBD-II scanner to check for additional related codes that might provide more information about the issue. | OBD-II Scanner |
Inspect Supply Circuit | Visually inspect the wiring, connectors, and supply circuit for fuel injector group ‘G’. Look for open connections, damaged wiring, or corrosion. | Flashlight, Safety Gloves |
Test Fuel Injectors in Group ‘G’ | Use a diagnostic tool or multimeter to test the fuel injectors in group ‘G’ for proper operation and ensure they are receiving adequate voltage. | Multimeter, Diagnostic Tool |
Check Power Supply and Wiring | Verify the power supply and wiring to the injectors. Ensure that the injectors are receiving the correct voltage and there are no open circuits. | Multimeter, Wiring Diagram |
Repair or Replace Faulty Components | If any faulty wiring, connectors, or fuel injectors are found, repair or replace them as necessary to resolve the open circuit issue. | Replacement Parts, Tools |
Clear the Code and Test Drive | After repairs, clear the P217A code using an OBD-II scanner and take the vehicle for a test drive to ensure the issue has been resolved. | OBD-II Scanner |
Recheck for Codes | After the test drive, re-scan the vehicle to ensure that the P217A code does not return. | OBD-II Scanner |
Free PDF: How to choose OBD2 scanner

I’ve made you a free PDF to choose the OBD2 scanner in 5 minutes.
✅ Which OBD2 scanner is best?
✅ Which type should you get (DIY, Pro, Hobby)
✅ What is the best scanner for the exact brand/feature (e.g best for BMW)
✅ How to get a Bi-Directional tool for as cheap as $40
✅ Discount coupons for scanners
PDF is 100% free and it is designed to help you pick a scanner in less than a few minutes! Not a boring 50-page guide.
Just tell me where to send it.

Hi, I am Juraj “Yuri” Lukacko. I got frustrated by unhelpful and scammy mechanics, so I decided to learn everything about car diagnostics myself. I test dozens of new car diagnostic tools every month along with learning new strategies to fix and customize cars. About Juraj Lukacko (Yuri)