The control module detected an interruption (open circuit) in the Engine Coolant Flow Control Valve Control circuit, so the expected electrical continuity was not present.
TuningBot DTC Database · v4.37.14
P2B59 Engine Coolant Flow Control Valve Control Circuit/Open
Generic (OBD-II) interpretation + 1 manufacturer-specific in the TuningBot DTC database.
Generic (OBD-II) interpretation
Manufacturer-specific interpretations
Kia
1 interpretationThe cited OEM bulletin documents P2B59:F0 for Kia in the stated vehicle and controller context. It identifies engine coolant flow-control valve control circuit/open; the bulletin-specific condition must not be generalized to other platforms or modules.
Symptoms
- Malfunction indicator lamp illuminated while driving
- bulletin states no related drivability issue
Possible causes
ECU judgment-logic issue addressed by software
Recommended checks
- Perform a full module scan
- Review freeze-frame and occurrence data
- Inspect relevant wiring and connectors
- Check power supplies and grounds
- Compare commanded and measured values
- Check applicable OEM service information
Related and nearby codes
How to read P2B59
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P2B59
What does P2B59 mean?
Engine Coolant Flow Control Valve Control Circuit/Open. The control module detected an interruption (open circuit) in the Engine Coolant Flow Control Valve Control circuit, so the expected electrical continuity was not present.
Is P2B59 generic or manufacturer-specific?
P2B59 exists both as a generic OBD-II code (same meaning on every make) and with 1 manufacturer-specific interpretation(s): Kia. Always read it in the context of your vehicle.
Can TuningBot remove P2B59 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
