OBD-II Diagnostic Trouble Code
P0100
Mass or volume air flow sensor 'A' circuit short to ground or open
P
Powertrain
engine / trans
engine / trans
0
Generic
SAE standard
SAE standard
1
Fuel & air metering
00
Mass or volume air flow sensor 'A' circuit short…
Severity · general guide
Moderate
Fix soon — usually won't strand you
Code type
Generic
System
Powertrain
Standard
ISO/SAE Controlled
Fault type
Circuit/Open or Short