DTC B1820 Dodge
Intake Air Temperature Sensor Circuit Low Input
Intake Air Temperature Sensor Circuit Low Input
Description
Engine started; and the PCM detected the IAT sensor was over 246ºF to 282ºF for 500 ms.
Cause and Solution
IAT sensor signal circuit is shorted to sensor groundIAT sensor signal circuit is shorted to chassis groundIAT sensor is damaged or has failedPCM has failed
Video Guide
Diagnostic Info
- DTC Code: B1820
- Brand: Dodge