P0071 MERCEDES-BENZ code

What the P0071 code means. The ambient air temperature sensor provides the Power Control Module (PCM) with information that is necessary to monitor the ambient air temperature and intake air temperature.

What does P0071 code mean?

Ambient Air Temperature Sensor Range/Performance

OBD-II Code P0071 is defined as a Ambient Air Temperature Sensor Range/Performance. The ambient temperature sensor helps the engine control module (PCM) determine how much fuel to use on startup. The PCM also uses this signal as a logic reference for other temperature sensors on the engine.

Does ambient air temperature sensor affect engine?

Ambient temp sensor is not going to affect the engine performance. Your heat/AC will freak out but there will be no effect in the engine.

What is the code P0073?

P0073 is a diagnostic trouble code (DTC) for “Ambient Air Temperature Sensor Circuit High input“. 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 code P0070?

P0070 is a diagnostic trouble code (DTC) for “Ambient Air Temperature Sensor Circuit“.

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How do I fix code P0071?

What repairs can fix the P0071 code?

  1. Repairing or replacing wires with shorts and/or breaks.
  2. Cleaning corrosion in the electric circuitry and/or connector.
  3. Replacing the faulty ambient air temperature sensor.


How do I reset my ambient temperature sensor?


Zitat von Youtube: Control panel push ac and recirculate button at the same time. And keep pressing for 5 to 10 seconds. And then release it your ambient temperature sensor will reset i hope this will fix your problem.

What are the symptoms of a bad ambient temperature sensor?

Common signs include a faulty AC auto mode, inconsistent cooling, and incorrect outdoor temperature readings.

Where is the ambient temperature sensor located?

Thermometrics Ambient Air Temperature Sensor measures the temperature outside the passenger compartment and is usually mounted inside or near the front bumper.

How much is a ambient temperature sensor?

The average cost for ambient air temperature sensor replacement is between $89 and $107. Labor costs are estimated between $54 and $68 while parts are priced between $35 and $39. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location.

How do I test my ambient air temperature sensor?

Zitat von Youtube: The way to test it is you want to either apply heat to the sensor.

What does the ambient air temperature sensor connect to?

An Ambient Air Temperature Sensor measures the temperature of the air outside of the vehicle. Temperature sensors are typically two wire sensors; a signal wire that is connected to an AVI, and a signal ground wire.

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