P1266 Code: Meaning, Causes, and Symptoms | OBD2 Codes

P1266 – Cylinder #6 High To Low Side Short

 

P1266 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

P1266 Possible Causes

 

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

 

P1266 Description

 

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