OBD-II Diagnostic Trouble Code
P0126
Insufficient Coolant Temperature for Stable Operation
P
Powertrain
engine / trans
engine / trans
0
Generic
SAE standard
SAE standard
1
Fuel & air metering
26
Insufficient Coolant Temperature for Stable Operation
Severity · general guide
Moderate
Fix soon — usually won't strand you
Code type
Generic
System
Powertrain