OBD-II Diagnostic Trouble Code
P0378
Timing Reference High Resolution Signal “B” Intermittent/Erratic Pulses
P
Powertrain
engine / trans
engine / trans
0
Generic
SAE standard
SAE standard
3
Ignition / misfire
78
Timing Reference High Resolution Signal “B” Intermittent/Erratic Pulses
Severity · general guide
High
Misfire — address promptly
Code type
Generic
System
Powertrain