What does DTC p0117 mean on an engine?

P0117 is a diagnostic trouble code (DTC) for “Engine Coolant Temperature (ECT) Sensor Circuit Low Output Problem”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.

What is the cause of ECT code p0117?

Code P0117 is the result of the ECT sensor indicating a low voltage input from the coolant temperature circuit. (approximately less than .3V) What Are the Symptoms of Code P0117? What Is the Cause of Code P0117?

How does the coolant sensor work on a Toyota p0117?

One wire is a 5 volt reference from PCM (Powertrain Control Module) and the other is a ground supplied from PCM. As the temperature of the coolant changes, the resistance of the sensor changes.

What are the symptoms of the p0117 OBD-II code?

What causes an ECT sensor to get an error code p0117?

The PCM expects slow change of resistance from the ECT signal circuit. As the temperature of the coolant changes, the sensor’s resistance also changes. If the PCM detects that the signal voltage is lower than the normal operating range of the sensor, then it triggers the error code P0117.

What does p0119 mean on a check engine light?

P0119 is a diagnostic trouble code (DTC) for “ECT Sensor Circuit Intermittent Malfunction Problem”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic.

How much does it cost to diagnose p0117 Toyota code?

The cost of diagnosing the P0117 TOYOTA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour. When is the P0117 TOYOTA code detected? An excessively low voltage from the sensor is sent to ECM.

What does the p0117 code on an ECM mean?

The P0117 code will put the engine ECM to go into a failsafe mode. The failsafe mode may cause engine to run rough and hesitate until the engine warms up to operating temperature. Electrical cooling fans may run continuously. What repairs can fix the P0117 code? The ECT sensor shorted is the most common failure.

What does p0117 do for engine coolant temperature?

P0117 will set if the voltage measured by the engine computer (ECM/PCM) is lower due to low resistance (Low Voltage/High Temp [Warm Engine]). The engine computer checks for a resistance corresponding to a very high engine coolant temperature.

What are the symptoms of the p0117 code?

ECT sensor input to the ECM went to more than 0.14 Volts or 140°C (284°F) indicating a short circuit in sensor or wiring. The ECT sensor or wiring is shorted. What are the symptoms of the P0117 code? ECM turns on the Check Engine Light and goes into failsafe mode substituting input to 176° F. The engine may have a hard start when engine is cold.

What is the DTC for engine coolant temperature?

P0117 is a diagnostic trouble code (DTC) for “Engine Coolant Temperature (ECT) Sensor Circuit Low Output Problem”.

What causes a p0117 ECT signal low input?

Potential causes of the P0117 code include: 1 Bad ECT sensor 2 Short to ground on ECT signal circuit 3 Faulty or damaged connectors 4 Wiring harness damaged 5 Loose terminals at ECT or PCM 6 POSSIBLY an overheated engine 7 Bad PCM More

What does DTC p0117 mean on an engine?