DTC B1474 Dodge
IAT Sensor Circuit High Input (Intermittent)
IAT Sensor Circuit High Input (Intermittent)
Description
Engine started, engine runtime over 4 minutes, ECT sensor more than 140ºF, vehicle driven to a speed of under 20 mph, MAF sensor less than 20 g sec, and the PCM detected an unexpected high voltage signal of over 4.94v (Scan Tool reads -38ºF) on the IAT se
Cause and Solution
IAT sensor signal circuit is open (an intermittent fault)IAT sensor is damaged or has failed (an intermittent fault)PCM has failed
Video Guide
Diagnostic Info
- DTC Code: B1474
- Brand: Dodge