P0117 on Kia K5
Factory diagnostic protocol and troubleshooting wire for fault code P0117 specifically for the Kia K5 (2021–2026, 2.5L 4-Cyl (191HP) / 2.5L Turbo GT (290HP) / 1.6L Turbo (180HP)).
1. Symptoms of P0117 on Kia K5
When the Engine Control Module (ECM/PCM) on your Kia K5 (2.5L 4-Cyl (191HP) / 2.5L Turbo GT (290HP) / 1.6L Turbo (180HP)) logs fault code P0117, drivers commonly observe:
2. Most Likely Causes on Kia K5
Historical warranty claims and technical repair bulletins for Kia K5 point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Kia K5
Read ECT live PID on scanner. If it reads 284°F (140°C) or higher with engine cold, a short to ground exists. on the Kia K5 equipped with 2.5L 4-Cyl (191HP) / 2.5L Turbo GT (290HP) / 1.6L Turbo (180HP).
Unplug sensor connector while watching live data. If temperature drops to -40°F (-40°C), the sensor itself is shorted. on the Kia K5 equipped with 2.5L 4-Cyl (191HP) / 2.5L Turbo GT (290HP) / 1.6L Turbo (180HP).
If reading stays pegged at max with sensor unplugged, inspect harness for pinch points grounding against engine block. on the Kia K5 equipped with 2.5L 4-Cyl (191HP) / 2.5L Turbo GT (290HP) / 1.6L Turbo (180HP).
Allow engine to cool, unscrew old ECT sensor from coolant crossover pipe or thermostat housing, install new OEM sensor with fresh thread sealant. on the Kia K5 equipped with 2.5L 4-Cyl (191HP) / 2.5L Turbo GT (290HP) / 1.6L Turbo (180HP).
Bleed air from cooling system, clear DTCs, and verify normal temperature rise on live data. on the Kia K5 equipped with 2.5L 4-Cyl (191HP) / 2.5L Turbo GT (290HP) / 1.6L Turbo (180HP).
Equipment for Diagnosing Kia K5 (P0117)
VVT Oil Control Solenoid Valve
Restores accurate camshaft timing and oil pressure regulation on Kia K5.
AstroAI Auto-Ranging Digital Multimeter
Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.
BlueDriver Bluetooth Pro OBDII Scan Tool
Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.
Other Common Fault Codes on Kia K5
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Kia K5:
4. Kia K5 P0117 FAQs
What causes code P0117 to trigger on a Kia K5?
On the Kia K5 (2.5L 4-Cyl (191HP) / 2.5L Turbo GT (290HP) / 1.6L Turbo (180HP)), P0117 is most frequently caused by ECT sensor internal short to ground or Short circuit to ground in ECT signal wiring harness.
Where is the OBD-II port located on my Kia K5?
On the Kia K5, the 16-pin DLC diagnostic connector is located Driver lower dash left of center stack. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Kia K5 with code P0117?
No. The ECU thinks the engine is at 280°F+ (overheating) and runs rich or disables cooling fan logic. Given that P0117 carries a High severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.

