Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSDODGE AND RAM2023DURANGO R/T PLUS, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 19 (3.6L - DTCS C10F5 TO P0072)DTC TROUBLESHOOTINGP0071-AMBIENT AIR TEMPERATURE SENSOR PERFORMANCEENABLING CONDITIONS AND POSSIBLE CAUSES - AMBIENT AIR TEMP SENSOR
2023 Dodge and Ram Durango R/T Plus, AWD
Enabling Conditions And Possible Causes - Ambient Air Temp Sensor
2023 Dodge and Ram Durango R/T Plus, AWDSECTION Enabling Conditions And Possible Causes - Ambient Air Temp Sensor
WARNING: This page is about a different variant/trim than selected.
| MONITORING CONDITIONS |
|---|
| Circuit Low/High Faults - With the ignition on, battery voltage above a calibrated threshold. |
| Performance Fault - With the ignition on after an eight hour cold soak on the previous engine off cycle. Ambient Air, Intake Air, and Engine Coolant Temperature values are above -64°C (-83°F). |
| FAULT SETTING CRITERIA |
|---|
| Circuit Low Fault - The sensor signal voltage is below a calibrated threshold. The threshold is typically in the 0.1 volt range. |
| Circuit High Fault - The sensor signal voltage is above a calibrated threshold. The threshold is typically in the 4.9 volt range. |
| Performance Fault - The sensor signal voltage is irrational - typically not within 10°C - 15°C (18°F - 27°F) of the other engine temp sensors. |
| POSSIBLE CAUSES |
|---|
| TEMP SENSOR HARNESS CONNECTOR DAMAGED OR NOT CONNECTED COMPLETELY (CIRCUIT HIGH/PERFORMANCE FAULT) |
| TEMP SENSOR SIGNAL CIRCUIT SHORTED TO GROUND (CIRCUIT LOW FAULT) |
| TEMP SENSOR SIGNAL CIRCUIT SHORTED TO THE SENSOR GROUND CIRCUIT (CIRCUIT LOW FAULT) |
| TEMP SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE (CIRCUIT HIGH FAULT) |
| TEMP SENSOR SIGNAL CIRCUIT OPEN/HIGH RESISTANCE (CIRCUIT HIGH/PERFORMANCE FAULT) |
| TEMP SENSOR RETURN CIRCUIT OPEN/HIGH RESISTANCE (CIRCUIT HIGH/PERFORMANCE FAULT) |
| FAULTY TEMP SENSOR (OPEN, SHORTED OR DRIFTED OUT OF RANGE) |
| FAULTY ELECTRONIC CONTROL UNIT (ECU) |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.