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P1222 Diagnostic Trouble Code Discussion for March 2013

Injector Control Circuit Malfunction (Intermittent)


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Trouble Ticket Help Requests for DTC P1222
Help Request Posted
2007 Dodge Ram 2500 Truck TRX4 5.9L MIL Lamp on, derates power VIN: 3D7KS28C77
P1222: Injector control circuit performance. This truck derates and sets a P1222 and illuminates the intake heater light when coasting downhill. Starts and runs fine until code sets. No excessive smoke except for a little black at cold idle after start up. It is my understanding that the fuel limiting va...
March 29, 2013
2007 Dodge Ram 2500 Truck TRX4 5.9L MIL Lamp on, derates power VIN: 3D7KS28C77
P1222: Injector control circuit performance. This truck derates and sets a P1222 and illuminates the intake heater light when coasting downhill. Starts and runs fine until code sets. No excessive smoke except for a little black at cold idle after start up. It is my understanding that the fuel limiting va...
March 29, 2013