AutoCodes – Volvo – P0072 Volvo

P0072 Volvo Code - Outside Temperature Sensor Signal Too Low Or Too High

Quick Answer

The Engine Control Module (ECM) monitors the Outside Temperature Sensor. Common causes include Faulty Outside Temperature Sensor, Outside Temperature Sensor harness is open or shorted, Outside 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: P0072 Volvo indicates Outside Temperature Sensor Signal Too Low Or Too High.
Common causes: Common causes include Faulty Outside Temperature Sensor, Outside Temperature Sensor harness is open or shorted, Outside 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 17,870

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 23, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0072 Volvo Description

The Engine Control Module (ECM) monitors the Outside Temperature Sensor. If the control module receives a signal from the outside temperature sensor corresponding to a temperature lower than -39 °C (-38.2 °F) (low signal) or higher than +129 °C (264.2 °F) (high signal) the control module interprets it as a fault and Diagnostic Trouble Code (DTC) is stored.

OBDII Code P0072 Volvo - Outside Temperature Sensor Signal Too Low Or Too High - AutoCodes.com — P0072 Volvo Code - Outside Temperature Sensor Signal Too Low Or Too High

What does this mean?

What are the Possible Causes of the DTC P0072 Volvo?

Faulty Outside Temperature Sensor
Outside Temperature Sensor harness is open or shorted
Outside Temperature Sensor circuit poor electrical connection

How to Fix the DTC P0072 Volvo?

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 does this mean?

Code Tech Notes

Volvo Code: ECM-1100

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0072 Volvo 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 P0072 Volvo code?

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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 P0072 Volvo Code

1. What are the common symptoms of OBDII code P0072 in a Volvo related to the outside temperature sensor signal?

The common symptoms include incorrect outside temperature display on the dashboard, issues with the climate control system, and potential impact on fuel economy.

2. What are the possible causes of the OBDII code P0072 in a Volvo?

The code P0072 in a Volvo typically indicates that the outside temperature sensor signal is too low or too high. Possible causes include a faulty outside temperature sensor, wiring issues, or a defective sensor connection.

3. How can I diagnose the OBDII code P0072 in my Volvo?

Diagnosing the code P0072 involves checking the outside temperature sensor for any visible damage or corrosion, testing the sensor's resistance, and inspecting the wiring and connectors for any issues.

4. What are some repair tips for fixing the OBDII code P0072 in a Volvo?

Repairing the OBDII code P0072 may involve replacing the outside temperature sensor, repairing or replacing any damaged wiring, and ensuring proper connection of the sensor. Clearing the code with a diagnostic scanner is also recommended after the repair.

5. Can I drive my Volvo with the OBDII code P0072 present?

While driving with the OBDII code P0072 may not immediately impact the performance of your Volvo, it is recommended to address the issue promptly to avoid potential problems with the climate control system and accurate temperature readings.

6. How do I reset the OBDII code P0072 in my Volvo after making repairs?

You can reset the OBDII code P0072 using an OBDII scanner or by disconnecting the car's battery for a few minutes. After resetting, monitor the system to ensure the code does not reappear.

7. Is the OBDII code P0072 exclusive to Volvo vehicles?

No, the OBDII code P0072 related to the outside temperature sensor signal can be found in various vehicle makes and models, not exclusive to Volvo.

8. Can extreme weather conditions trigger the OBDII code P0072 in a Volvo?

Yes, extreme cold or hot weather conditions can sometimes cause the outside temperature sensor to send incorrect signals, triggering the OBDII code P0072 in a Volvo.

9. How much does it typically cost to repair the OBDII code P0072 in a Volvo?

The cost of repairing the OBDII code P0072 in a Volvo can vary depending on the cause of the issue, but it may range from $100 to $300 for parts and labor.

10. Will the OBDII code P0072 cause my Volvo to fail an emissions test?

The OBDII code P0072 related to the outside temperature sensor signal is not directly emissions-related and should not cause your Volvo to fail an emissions test. However, it is still important to address the issue for accurate sensor readings.