P0098 – Intake Air Temperature Sensor 2 Circuit High

P0098 – Intake Air Temperature Sensor 2 Circuit High
Description:                 Indicates the sensor signal is greater than the self-test maximum. The intake air temperature 2 (IAT2) sensor maximum is 4.6 volts.
Possible Causes:       
 
IAT2 circuit open or short to voltage
 
Incorrect harness connection
 
Damaged IAT2 sensor
Diagnostic Aids:          Monitor the IAT2 PID value. A typical IAT2 temperature should be greater than the IAT1 temperature.
Related Topics  P0191 - Fuel Rail Pressure Sensor A Circuit Range/Performance

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