P0118 Engine Coolant Temperature Sensor – High Input

DTC Description P0118 General

Error code OB0 II P0118 is defined as “Engine Coolant Temperature Circuit Malfunction” and is set when the ECM (Engine Control Module) detects a voltage in the engine coolant temperature sensor circuit that is out of range.

Causes of general failure code P0118

  • Faulty ECT sensor or high resistance in sensor wiring
  • A short to ground in the ECT signal circuit
  • Faulty or damaged connectors
  • Damaged wiring harness Loose terminals on the ECT or computer
  • Engine overheated
  • Worn, damaged, shorted or corroded wires and connectors.
  • Defective coolant temperature sensors.
  • Low engine coolant level. Note that other warning lights and codes may be present when the coolant level is low.
  • Poor coolant circulation.
  • Engine control module failure. Keep in mind that this is a rare event and you should look for the faults elsewhere before replacing any driver.

Symptoms of the general failure code P0118

  • Radiator fans start working moments after starting the car
  • Engine failure indicator light on
  • The AC air conditioning compressor will receive the OFF command
W których samochodach ten problem występuje częściej
Acura (MDX) Audi (A4, A6, Q5, Q7) BMW (X5) Cadillac (SRX) Chery (Tiggo) Chevrolet (Aveo, Captiva, Cruze, Epica, Lacetti, Lanos, Spark, TrailBlazer) Chrysler (300C, PT Cruiser, Pacifica, Sebring, Voyager) Citroen (Berlingo, C4, C5, Xsara Picasso) Daewoo (Gentra, Matiz, Nexia) Daihatsu Dodge (Caliber, Caravan, Stratus) Fiat (Doblo) Ford (C-Max, Explorer, Fiesta, Focus, Fusion, Galaxy, Maverick, Mondeo) Geely (Emgrand, MK) Honda (Accord, CR-V, Civic, Fit, Pilot) Hover Hummer Hyundai (Accent, Elantra, Getz, Santa Fe, Solaris, Sonata, i30, ix35, ix55) Infiniti (FX35, QX56) Jaguar Jeep (Compass, Grand Cherokee, Liberty) Kia (Carens, Ceed, Cerato, Magentis, Optima, Picanto, Rio, Sorento, Spectra, Sportage) Lexus (GS300, GX470, LS430, LX470, RX300, RX330) Lifan (X60) Mazda (3, 6) Mercedes-Benz (W204) Mitsubishi (Lancer, Outlander) Nissan (Almera, Micra, Murano, Note, Pathfinder, Patrol, Primera, Qashqai, Sentra, Teana, Tiida, X-Trail) Opel (Antara, Astra, Corsa, Insignia, Meriva, Vectra, Zafira) Peugeot (107, 206, 207, 3008, 301, 307, 308, 406, 407, 408, Partner) Pontiac (Vibe) Renault (Duster, Fluence, Kangoo, Logan, Megane, Sandero, Scenic) Saab Skoda (Fabia, Octavia) Subaru (Forester, Impreza, Legacy, Outback, Tribeca) Suzuki (Grand Vitara, Ignis, Liana, SX4, Swift) Toyota (Avensis, Camry, Celica, Corolla, Highlander, Land Cruiser, Matrix, Prado, Prius, RAV4, Verso, Yaris) Volkswagen (Bora, Caddy, Golf, Jetta, Passat, Polo, Tiguan, Touareg) Volvo (S40, S60, S80, V40, XC70, XC90) Vortex (Estina, Tingo) GAZelle (Business) LADA (Largus) UAZ (Buhanka, Hanter, Patriot) Volga (Siber) ZAZ (Chance)