P0117 on Chevrolet Equinox
Factory diagnostic protocol and troubleshooting wire for fault code P0117 specifically for the Chevrolet Equinox (2020–2026, 1.5L Turbo 4-Cyl (LYX 175HP)).
1. Symptoms of P0117 on Chevrolet Equinox
When the Engine Control Module (ECM/PCM) on your Chevrolet Equinox (1.5L Turbo 4-Cyl (LYX 175HP)) logs fault code P0117, drivers commonly observe:
2. Most Likely Causes on Chevrolet Equinox
Historical warranty claims and technical repair bulletins for Chevrolet Equinox point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Chevrolet Equinox
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 Chevrolet Equinox equipped with 1.5L Turbo 4-Cyl (LYX 175HP).
Unplug sensor connector while watching live data. If temperature drops to -40°F (-40°C), the sensor itself is shorted. on the Chevrolet Equinox equipped with 1.5L Turbo 4-Cyl (LYX 175HP).
If reading stays pegged at max with sensor unplugged, inspect harness for pinch points grounding against engine block. on the Chevrolet Equinox equipped with 1.5L Turbo 4-Cyl (LYX 175HP).
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 Chevrolet Equinox equipped with 1.5L Turbo 4-Cyl (LYX 175HP).
Bleed air from cooling system, clear DTCs, and verify normal temperature rise on live data. on the Chevrolet Equinox equipped with 1.5L Turbo 4-Cyl (LYX 175HP).
Equipment for Diagnosing Chevrolet Equinox (P0117)
VVT Oil Control Solenoid Valve
Restores accurate camshaft timing and oil pressure regulation on Chevrolet Equinox.
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 Chevrolet Equinox
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Chevrolet Equinox:
4. Chevrolet Equinox P0117 FAQs
What causes code P0117 to trigger on a Chevrolet Equinox?
On the Chevrolet Equinox (1.5L Turbo 4-Cyl (LYX 175HP)), 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 Chevrolet Equinox?
On the Chevrolet Equinox, the 16-pin DLC diagnostic connector is located Driver footwell above brake arm. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Chevrolet Equinox 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.