AutoCodesChrysler – P0072 Chrysler

P0072 Chrysler Code - Ambient Air Temperature Sensor Circuit Low

Quick Answer

The Powertrain Control Module (PCM) monitors 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
P0072 Chrysler indicates Ambient Air Temperature Sensor Circuit Low.
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 12,981
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Oct 25, 2019
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Code P0072 Chrysler Description

The Powertrain Control Module (PCM) monitors the Ambient Air Temperature Sensor. The PCM sets the OBDII code when the Ambient Air Temperature Sensor is not to factory specifications.
OBDII Code P0072 Chrysler - Ambient Air Temperature Sensor Circuit Low - AutoCodes.com
P0072 Chrysler Code - Ambient Air Temperature Sensor Circuit Low

What are the Possible Causes of the DTC P0072 Chrysler?

  • Faulty ambient air temperature sensor
  • Ambient air temperature sensor harness is open or shorted
  • Ambient air temperature sensor circuit poor electrical connection

How to Fix the DTC P0072 Chrysler?

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 P0072 Chrysler 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 Chrysler code?

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Need Help with the 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 Chrysler Code

1. What does the OBD-II code P0072 mean on a Chrysler?

P0072 indicates that the Ambient Air Temperature Sensor Circuit has a low voltage reading, which may cause issues with climate control or engine efficiency.

2. What are the symptoms of a P0072 code in a Chrysler?

Common symptoms include inaccurate outside temperature readings, poor air conditioning performance, or the Check Engine Light turning on.

3. What causes the P0072 code on a Chrysler?

Possible causes include a faulty ambient air temperature sensor, damaged wiring or connectors, or a malfunctioning PCM (Powertrain Control Module).

4. Can a P0072 code affect vehicle performance?

While it typically does not directly affect engine performance, it can lead to issues with climate control or auxiliary systems that rely on accurate temperature data.

5. How do you diagnose a P0072 code on a Chrysler?

Diagnosis involves inspecting the ambient air temperature sensor, checking for damaged or corroded wiring, testing the sensor voltage, and verifying PCM operation.

6. How can I fix the P0072 code on my Chrysler?

Repairs may include replacing the ambient air temperature sensor, repairing damaged wiring or connectors, or reprogramming or replacing the PCM if necessary.

7. Where is the ambient air temperature sensor located on a Chrysler?

The sensor is typically mounted near the front grille or bumper to measure outside air temperature accurately.

8. Can I drive my Chrysler with a P0072 code?

Yes, you can drive with this code, but it’s advisable to fix it promptly to avoid climate control issues or inaccurate temperature readings.

9. How much does it cost to repair a P0072 code on a Chrysler?

The cost varies but typically ranges from $50 to $200, depending on whether the issue is with the sensor, wiring, or PCM.

10. Can a faulty ambient air temperature sensor trigger other codes?

Yes, a malfunctioning sensor can cause related codes, such as those affecting the A/C system or other temperature-related components.

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