What does code P216C mean?

Q: What does code P216C mean?

Fuel Injector Group E Supply Voltage Circuit High. P216C indicates that the powertrain control module has detected an abnormally high voltage on the power supply circuit feeding a specific group of fuel injectors, labeled Group E. The computer expects the supply voltage to stay within a normal operating range, and a high reading tells it that the circuit is receiving excessive voltage or that the return path is compromised.

DTC codes / P21xx · Fuel and air metering / P216C

P216CFuel Injector Group E Supply Voltage Circuit High

P216C indicates that the powertrain control module has detected an abnormally high voltage on the power supply circuit feeding a specific group of fuel injectors, labeled Group E. The computer expects the supply voltage to stay within a normal operating range, and a high reading tells it that the circuit is receiving excessive voltage or that the return path is compromised.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaFuel and air metering

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.