C1547 Trouble Code

View C1547 obd/2 error code description and symptoms. C1547 engine photo

Engine Coolant Temperature (ECT) Circuit High Input Indicates the sensor signal is greater than Self-Test maximum. The ECT sensor maximum is 4.6 volts or -50 C (-58 F). Note on some vehicles that are not equipped with an ECT sensor, CHT can be used and can set this DTC. Open circuit in harness Sensor signal short to power Damaged PCM Improper harness connection Damaged sensor ECT V PID reading greater than 4.6 volts with key ON and engine OFF or during any engine operating mode indicates a hard fault.

One example of this would be when an automatic vehicle in placed in gear. To prevent the added drag from the torque converter and transmission from reducing the idling speed, the PCM will command the idle control valve to allow more air to enter the engine, while at the same time, adjusting the injector pulse width to inject more fuel to suit the increased amount of air. Note that the idle air control valve is closed by the PCM when the throttle plate is opened to prevent excess air from entering the engine.

C1547 Error Code Repair Process :

If your scp (j1850) invalid or missing data for windows check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system C1547 and engine control unit are in charge of monitoring a bunch of different scp (j1850) invalid or missing data for windows, and if they get a reading that's a little out of whack, up pops the check engine light.

C1547 is a kind of Chassis Trouble Code

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

Common Causes of C1547

A common cause of code C1547 is the failure of SCP (J1850) Invalid or Missing Data for Windows, but there are several other possible causes as well, such as ;

Engine Control Module (ECM)
Faulty Camshaft Position Sensor
Exhaust gas leaks
Variable Camshaft Timing solenoid stuck open

C1547 code for all cars

You can view according C1547 DTC for your car model. We selected several models to see obd2 solutions click and view it.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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