Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
The cost to diagnose the U1403 Chrysler code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.
The Fuel Level Sensor signal is a direct input to the Body Control Module (BCM). The BCM transmits the fuel level message to the Powertrain Control Module (PCM) over the Controller Area Network (CAN) C bus. The Diagnostic Trouble Code (DTC) sets when the fuel level message that the Powertrain Control Module (PCM) is receiving is implausible. The circuit is continuously monitored.
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