OBD-II Diagnostic Trouble Code
P1D37
AC power supply/AC input fuse 1
P
Powertrain
engine / trans
engine / trans
1
Mfr
manufacturer code
manufacturer code
D
Powertrain subsystem
37
AC power supply/AC input fuse 1
Severity · general guide
Moderate
Fix soon — usually won't strand you
Code type
Generic
System
Powertrain