OBD-II Diagnostic Trouble Code
P161A
ECU In-plant Mode Active
P
Powertrain
engine / trans
engine / trans
1
Mfr
manufacturer code
manufacturer code
6
Computer & output circuits
1A
ECU In-plant Mode Active
Severity · general guide
Moderate
Fix soon — usually won't strand you
Code type
Ford
System
Powertrain
Model
F-150
Years
2011