OBD-II Diagnostic Trouble Code
P2939
Airflow Sensor “B” Circuit High
P
Powertrain
engine / trans
engine / trans
2
Generic
SAE standard
SAE standard
9
Transmission
39
Airflow Sensor “B” Circuit High
Severity · general guide
Moderate
Fix soon — usually won't strand you
Code type
Generic
System
Powertrain
Standard
ISO/SAE Controlled
Fault type
Circuit High