JCB P203B-15: DEF Tank Level Signal Exceeds Maximum Voltage Limit

The signal from the DEF tank level sensor is registering a voltage that is higher than the maximum allowed limit. This may indicate an issue with the sensor or the circuit it is connected to.

1. 1

   DEF tank level sensor

2. 2

   wiring to the DEF tank level sensor

3. 3

   controller input for DEF tank level signal

1. 1

   Inspect

   Inspect the DEF tank level sensor for physical damage or improper installation.

2. 2

   Test

   Test the voltage output of the DEF tank level sensor using a multimeter to confirm it is within the expected range.

3. 3

   Check

   Check the wiring and connections between the DEF tank level sensor and the controller for any signs of damage, corrosion, or loose connections.

4. 4

   Verify

   Verify the controller's input for the DEF tank level signal to ensure it is interpreting the signal correctly.