P0117 on Tesla Model 3
Factory diagnostic protocol and troubleshooting wire for fault code P0117 specifically for the Tesla Model 3 (2020–2026, Single Motor RWD / Dual Motor Long Range / Highland Performance AWD (510HP)).
1. Symptoms of P0117 on Tesla Model 3
When the Engine Control Module (ECM/PCM) on your Tesla Model 3 (Single Motor RWD / Dual Motor Long Range / Highland Performance AWD (510HP)) logs fault code P0117, drivers commonly observe:
2. Most Likely Causes on Tesla Model 3
Historical warranty claims and technical repair bulletins for Tesla Model 3 point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Tesla Model 3
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 Tesla Model 3 equipped with Single Motor RWD / Dual Motor Long Range / Highland Performance AWD (510HP).
Unplug sensor connector while watching live data. If temperature drops to -40°F (-40°C), the sensor itself is shorted. on the Tesla Model 3 equipped with Single Motor RWD / Dual Motor Long Range / Highland Performance AWD (510HP).
If reading stays pegged at max with sensor unplugged, inspect harness for pinch points grounding against engine block. on the Tesla Model 3 equipped with Single Motor RWD / Dual Motor Long Range / Highland Performance AWD (510HP).
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 Tesla Model 3 equipped with Single Motor RWD / Dual Motor Long Range / Highland Performance AWD (510HP).
Bleed air from cooling system, clear DTCs, and verify normal temperature rise on live data. on the Tesla Model 3 equipped with Single Motor RWD / Dual Motor Long Range / Highland Performance AWD (510HP).
Equipment for Diagnosing Tesla Model 3 (P0117)
VVT Oil Control Solenoid Valve
Restores accurate camshaft timing and oil pressure regulation on Tesla Model 3.
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 Tesla Model 3
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Tesla Model 3:
4. Tesla Model 3 P0117 FAQs
What causes code P0117 to trigger on a Tesla Model 3?
On the Tesla Model 3 (Single Motor RWD / Dual Motor Long Range / Highland Performance AWD (510HP)), 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 Tesla Model 3?
On the Tesla Model 3, the 16-pin DLC diagnostic connector is located Under driver dash (OBD-II port integrates with internal CAN gateway). Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Tesla Model 3 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.