U019F
Lost Communication With Engine Coolant Pump Control Module
U019F is an OBD-II diagnostic trouble code meaning: Lost Communication With Engine Coolant Pump Control Module. Common causes: open or short circuit in the module power supply circuit, damage to the can bus wiring harness. Estimated repair cost: $56โ167.
Symptoms
- Check Engine Light Is On
- Engine overheating
- Unstable operation of the cooling system
- Reduced engine performance
- Errors in climate control operation
Causes
- Open or short circuit in the module power supply circuit
- Damage to the CAN bus wiring harness
- Pump control module malfunction
- Connector problems or contact corrosion
- Failures in ECU software
How to Fix
- Check the integrity of the module power supply circuit
- Inspect the condition of the wiring harness and connectors
- Diagnose the pump control module
- Update ECU software if necessary
- Replace the control module if a fault is detected
Related codes
Error U019F by Vehicle Brand
FAQ
What does the U019F code mean?
U019F is an OBD-II diagnostic trouble code that indicates: Lost Communication With Engine Coolant Pump Control Module
What causes a U019F error code?
The most common causes of U019F include: Open or short circuit in the module power supply circuit; Damage to the CAN bus wiring harness; Pump control module malfunction; Connector problems or contact corrosion.
How do I fix a U019F diagnostic trouble code?
To fix U019F: Check the integrity of the module power supply circuit. Inspect the condition of the wiring harness and connectors. Diagnose the pump control module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U019F?
Limited driving only, diagnose soon
How much does it cost to fix U019F?
The estimated repair cost for U019F is $56โ167. Actual cost depends on your vehicle, location, and labor rates.
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