JCB P2100: Throttle H-Bridge Driver in ECU Fault: Undervoltage

The fault code indicates an issue with the Throttle H-Bridge driver in the ECU, specifically related to undervoltage conditions. This suggests that the component is not receiving the proper voltage to function correctly.

1. 1

   Power supply to the ECU

2. 2

   Wiring and connections related to the Throttle H-Bridge driver

3. 3

   Voltage levels at the Throttle H-Bridge driver

1. 1

   Check the power supply to the ECU

   Ensure that the ECU is receiving the correct voltage as specified in the service manual.

2. 2

   Inspect wiring and connections

   Examine the wiring and connections associated with the Throttle H-Bridge driver for any damage, corrosion, or loose connections.

3. 3

   Measure voltage at the Throttle H-Bridge driver

   Use a multimeter to measure the voltage at the Throttle H-Bridge driver and compare it to the expected values.