JCB U040B: Invalid Data Received From Exhaust Gas Recirculation Control Module 'A'

The system has detected invalid data received from the Exhaust Gas Recirculation Control Module 'A'. This may indicate a communication issue or a fault within the module itself.

1. 1

   The connection and wiring to the Exhaust Gas Recirculation Control Module 'A'

1. 1

   Inspect

   Inspect the wiring and connections to the Exhaust Gas Recirculation Control Module 'A' for damage, corrosion, or loose contacts.

2. 2

   Test

   Test the communication between the control module and the system using the appropriate diagnostic tool.