The control module registered the fault condition described as "Invalid Data Received From Engine Coolant Pump Control Module".
TuningBot DTC Database · v4.37.15
U04A0 Invalid Data Received From Engine Coolant Pump Control Module
Generic (OBD-II) interpretation in the TuningBot DTC database.
What U04A0 means
Related and nearby codes
How to read U04A0
Network: communication between control units.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about U04A0
What does U04A0 mean?
Invalid Data Received From Engine Coolant Pump Control Module. The control module registered the fault condition described as "Invalid Data Received From Engine Coolant Pump Control Module".
Is U04A0 generic or manufacturer-specific?
U04A0 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove U04A0 at file level?
Not guaranteed. Powertrain (P) codes can be reliably disabled in the ECU calibration, but body, chassis and network codes depend on the specific control unit and how the fault is implemented - some can be handled, some cannot. Ask for a quote and our engineers will check your file and tell you, free of charge, whether U04A0 is removable in your case.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
