P1263 Code: Meaning, Causes, and Symptoms | OBD2 Codes

P1263 – Cylinder #3 High To Low Side Short


P1263 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


P1263 Possible Causes


Faulty Fuel Injector,Faulty Fuel Injector Interface Module,Fuel Injector harness is open or shorted,Fuel Injector circuit poor electrical connection


P1263 Description


A fault is detected by the fuel injector interface module in the secondary (rearward) fuel injector circuit