Powertrain, generic (extended)

P216D Fuel Injector Group F Supply Voltage Circuit/Open

Check engine lightOn
EmissionsRelevant
Drive cycleNot required
Limp modePossible

P216D is the general fault of injector group F, which GM petrol direct injection equates with cylinder 6; its 2024 tables (24OBDG07) call it injector F. GM uses this code for shorts on the high side rather than opens: the 2008 3.6 LLT sets it for cylinder 6 shorted to ground or battery, while an open on either side goes to P0206; the 2024 tables count two events of less than 0.5 ohm to ground or supply, above 9 V, one trip. Two bulletins name it. PIP4924D covers 3.0 and 3.6 V6 models such as Enclave, Traverse, CTS and Camaro with chafed injector harnesses. Bulletin 24-NA-106 for the 2023 and 2024 Corvette with the LT6 lists P216D as cylinder 6 alongside P2149, P2155 and P217D, all bank 2, caused by water in a wrong 12-way connector.

Likely causes

Injector harness rubbed through on V6 engines
Water in the bank 2 injector harness connector (Corvette LT6)
Cylinder 6 injector shorted

Symptoms

  • Check engine lamp on, cylinder 6 misfire
  • With the LT6 several bank 2 codes and fuel pressure faults at once

Repair estimate

DifficultyHardWorkshop job
Parts and labour€100–1,500
Time1–5 h

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

fuel injectorinjector wiringengine control module

Related codes

P216EP216FP216AP217DP0206P0306

References: gsi.ext.gm.com, gsi.ext.gm.com, static.nhtsa.gov, static.nhtsa.gov.