Challenger U1388: Urea Pressure Sensor Fault

The system has detected an issue with the urea pressure sensor. This fault may affect the proper operation of the emissions control system. Further diagnosis is required to determine the exact cause of the fault.

1. 1

   The connection and wiring of the urea pressure sensor

2. 2

   The integrity of the urea pressure sensor

3. 3

   The functionality of the system that monitors the urea pressure sensor

1. 1

   Inspect

   Inspect the connection and wiring of the urea pressure sensor for damage, corrosion, or loose connections.

2. 2

   Test

   Test the urea pressure sensor for proper functionality using the appropriate diagnostic tools.

3. 3

   Consult

   Contact the dealer or authorized service provider for further assistance and potential replacement of the urea pressure sensor.