What does the p0073 OBD-II Diagnostic Code mean?
Depending on the type of vehicle these are some related OBD-II Diagnostic Trouble Codes: What the P0073 code means. The Power Control Module (PCM) uses information that it receives from the ambient air temperature sensor to regulate the levels of the ambient air temperature and intake air temperature.
What causes the p0073 trouble code to be stored in the PCM?
There are several things that could cause the P0073 trouble code to be stored by the Power Control Module (PCM): The ambient air temperature sensor has malfunctioned The wiring has shorted or broken There is corrosion in the electric circuitry or connector A break or short in the ambient air temperature harness Debris that is covering the sensor
What causes a p0073 problem on an AAT sensor?
Potential causes of a P0073 trouble code may include: Short to voltage in the signal circuit to the AAT sensor A good starting point is always to check for technical service bulletins (TSB) for your particular vehicle. Your issue may be a known issue with a known fix put out by the manufacturer and can save you time and money during diagnosis.
When does the p0073 trouble code come back?
The P0073 trouble code should be cleared and the a test drive of the vehicle should be conducted a test drive to see if the trouble code returns. If the trouble code does not return, the repair is complete. In the event that the trouble code returns immediately, the ambient air temperature sensor needs to be replaced.
What causes Mercedes Benz to run with p0170 and p0173?
If you clear the P0170 and P0173 without fixing the underlying problem those two codes will return in a couple of days. Under certain circumstances such as vacuum leaks, the car may run fine even if the CEL light is on and P0173/P0170 are present. The most common cause of P0170 and P0173 on a Mercedes-Benz is a defective mass-airflow sensor.
Potential causes of a P0073 trouble code may include: Short to voltage in the signal circuit to the AAT sensor A good starting point is always to check for technical service bulletins (TSB) for your particular vehicle. Your issue may be a known issue with a known fix put out by the manufacturer and can save you time and money during diagnosis.
Can you read the fault code on a Mercedes Benz?
Can read fault codes from multiple systems such as transmission, engine, ETS, airbag and more. Can clear fault codes. Can read and erase all fault codes on Mercedes-Benz cars. Only works on MB but can perform further troubleshooting including SBC brake systems, convertible systems, Air Conditioner (A/C) system. 3. Mercedes-Benz Star Diagnostic DAS