The control module stopped receiving expected network messages from the Engine Coolant Pump Control Module node on the vehicle communication bus.
TuningBot DTC Database · v4.37.14
U019F Lost Communication With Engine Coolant Pump Control Module
Generic (OBD-II) interpretation in the TuningBot DTC database.
What U019F means
Related and nearby codes
How to read U019F
Network: communication between control units.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about U019F
What does U019F mean?
Lost Communication With Engine Coolant Pump Control Module. The control module stopped receiving expected network messages from the Engine Coolant Pump Control Module node on the vehicle communication bus.
Is U019F generic or manufacturer-specific?
U019F is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove U019F 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 U019F is removable in your case.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
