By the AutoDTCs Editorial Team·Researched against SAEJ2012 & factory service data — how we research this
OBD-II Diagnostic Trouble Code
P1399
Random Misfire Detected (Honda-specific)
P
Powertrain
engine / trans
engine / trans
1
Mfr
manufacturer code
manufacturer code
3
Ignition / misfire
99
Random Misfire Detected (Honda-specific)
Severity · general guide
High
Misfire — address promptly
Code type
Generic
System
Powertrain