Posts Tagged: Honda P3400 or P3497

Honda P3400 P3497 — Service Bulletin Fix

Honda service bulletin 13-055 to fix P3400 or P3497 Honda has issued a service bulletin 13-055 to fix P3400 or P3497 and multiple misfire codes P0301 through P0304) on the vehicles listed below. P3400 and P3497 relate to rocker arm oil pressure switches B and C which measures oil pressure entering the variable cylinder management system (VCM). The VCM system disengages cylinders to improved MPG. On a six cylinder engine, the VCM system has three modes: All 6 cylinders operate normally, the VCM pauses cylinders 3 & 4, the VCM … Read More