DTC Troubleshooting: P0127
DTC P0127: IAT Sensor Too High
NOTE: Before you troubleshoot, review the general troubleshooting information.

DTC Description
Confirmed DTC
Pending DTC
P0127 IAT Sensor Too High
    

1.
Problem verification:

Problem verification
?1.
Turn the vehicle to the ON mode.

?2.
Check for Pending or Confirmed DTCs with the HDS.
DTC Description
Confirmed DTC
Pending DTC
P0110 IAT Sensor 1 Out of Range
    
P0111 IAT Sensor 1 Circuit Range/Performance Problem
   
P0112 IAT Sensor 1 Circuit Low Voltage
   
P0113 IAT Sensor 1 Circuit High Voltage
   
P011B IAT Sensor 1 Circuit Range/Performance Problem
    
P0127 IAT Sensor Too High
    

Are DTC P0127 and P0110, P0111, P0112, P0113, or P011B indicated at the same time?

     
YES
     
     
     
Go to the indicated DTC's troubleshooting.?
     
NO