P217E code meaning
Fuel Injector Group H Supply Voltage Circuit Low
Powertrain system Generic code P21xx codes Check engine light
What P217E means
P217E flags the supply of injector group H as grounded, on GM's direct-injection V8 engines the injector of cylinder 8. GM lists it for the 6.2 LT4 in 2018 and in its 2016 table 16OBDG07A. With the high-side driver switched on, a current of 25 A or more means the line has found a path to ground; at 11 V or more, 10 bad samples out of 20 taken at 100 ms set the code as type A and light the MIL right away. Since the per-cylinder low-side codes P0282 and P0283 cover the return line, this code points specifically at the feed wire, the injector body or the driver. A practical check is to unplug the module and the injector and measure the feed wire to ground before suspecting the module. The engine loses cylinder 8. P217F is the high fault.
P217E at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyHard
- Typical labor1 to 5 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P217E
- Check engine lamp on immediately
- Cylinder 8 misfire, engine shakes
Common causes of P217E
- Most likelyCylinder 8 feed wire chafed to ground
- PossibleCylinder 8 injector shorted to its housing
- Less likelyEngine control module output stage faulty
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Fuel injectorInjector wiringEngine control module
What each part of P217E means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 2 | Generic code (second SAE range): it means the same on every make. |
| 1 | Area: fuel and air metering. |
| 7E | The exact fault in that area. |
What to do next
- Note P217E and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about P217E
What does P217E mean?
P217E means "Fuel Injector Group H Supply Voltage Circuit Low". P217E flags the supply of injector group H as grounded, on GM's direct-injection V8 engines the injector of cylinder 8. It is a generic code, so it means the same on every make.
Is it safe to drive with P217E?
Drive gently and only to a workshop. With P217E the car can go into limp mode (reduced power) to protect itself.
Will P217E fail an emissions test?
Yes, it can. P217E is emissions-related, so most inspection programs fail a car while it is stored or while the check engine light is on.
How hard is P217E to fix?
Difficulty: hard. A typical repair takes 1 to 5 hours of work. This is a job for a workshop.
Will P217E clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.