AutoCodes – MINI – P0073 MINI

P0073 MINI Code - Ambient Sensor Circuit High

Quick Answer

This Diagnostic Trouble Code (DTC) is stored in the Engine Control Module (ECM) when a malfunction is detected with the Ambient Air Temperature Sensor. Common causes include Faulty Ambient Air Temperature Sensor, Ambient Air Temperature Sensor harness is open or shorted, Ambient Air Temperature Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0073 MINI indicates Ambient Sensor Circuit High.
Common causes
Common causes include Faulty Ambient Air Temperature Sensor, Ambient Air Temperature Sensor harness is open or shorted, Ambient Air Temperature Sensor circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 10,303
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 19, 2021
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Code P0073 MINI Description

This Diagnostic Trouble Code (DTC) is stored in the Engine Control Module (ECM) when a malfunction is detected with the Ambient Air Temperature Sensor. This component measures the outside air temperature. A plausibility check is carried out with the ambient air temperature sensor, intake air temperature sensor, and engine coolant temperature sensor.
OBDII Code P0073 MINI - Ambient Sensor Circuit High - AutoCodes.com
P0073 MINI Code - Ambient Sensor Circuit High

What are the Possible Causes of the DTC P0073 MINI?

  • Faulty Ambient Air Temperature Sensor
  • Ambient Air Temperature Sensor harness is open or shorted
  • Ambient Air Temperature Sensor circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P0073 MINI?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0073 MINI code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0073 MINI code?

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Need Help with the Code?

Get the P0073 MINI code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0073 MINI Code

1. What are the common symptoms of OBDII code P0073 in a MINI related to the Ambient Sensor Circuit High?

Symptoms may include inaccurate ambient temperature readings on the dashboard display, issues with the climate control system, and potential activation of the Check Engine Light.

2. What are the typical causes of the Ambient Sensor Circuit High OBDII code (P0073) in a MINI?

Common causes can include a faulty ambient temperature sensor, wiring or connector issues, sensor placement near heat sources, or a malfunctioning control module.

3. How can I diagnose the Ambient Sensor Circuit High issue in my MINI related to code P0073?

You can start by visually inspecting the sensor and its wiring for any signs of damage. Additionally, using a multimeter to test the sensor's resistance and voltage output can help pinpoint the problem.

4. Is it safe to continue driving my MINI with the P0073 OBDII code triggered?

While the vehicle may still be operable, it's best to address the issue promptly to prevent potential complications with the climate control system and to ensure accurate temperature readings.

5. Can I fix the Ambient Sensor Circuit High problem causing the P0073 code in my MINI myself?

Depending on your mechanical skills, you may be able to replace the ambient temperature sensor or repair any damaged wiring yourself. However, if you're unsure, it's advisable to seek professional assistance.

6. Are there any quick repair tips for resolving the Ambient Sensor Circuit High fault code (P0073) in a MINI?

One quick tip is to check for any loose or corroded connections related to the ambient temperature sensor and ensure the sensor is not obstructed or affected by external heat sources.

7. Will resetting the OBDII system clear the P0073 code related to the Ambient Sensor Circuit High in my MINI?

Resetting the system may temporarily clear the code, but if the underlying issue causing the fault code is not fixed, it is likely to reappear. It's essential to diagnose and address the root cause.

8. How much can I expect to pay for repairing the Ambient Sensor Circuit High issue triggering the P0073 code in my MINI?

The cost of repairs can vary depending on the specific cause of the issue, labor rates in your area, and whether you choose to address the problem yourself or seek professional help.

9. Are there any preventive measures I can take to avoid the OBDII code P0073 related to the Ambient Sensor Circuit High in my MINI?

Regularly inspecting the ambient temperature sensor and its wiring for damage, ensuring proper sensor placement, and avoiding exposure to extreme heat sources can help prevent this issue.

10. Can a faulty ambient temperature sensor causing the P0073 code affect other systems in my MINI?

Yes, a malfunctioning ambient temperature sensor can impact the accuracy of climate control systems, automatic headlights, and other systems that rely on ambient temperature data.

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