P0071 Jeep Code - Ambient Air Temperature Sensor Performance
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
- P0071 Jeep indicates Ambient Air Temperature Sensor Performance.
- 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.
Code P0071 Jeep Description
What are the Possible Causes of the DTC P0071 Jeep?
- 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 P0071 Jeep?
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 P0071 Jeep 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.
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Frequently Asked Questions about P0071 Jeep Code
1. What does the OBDII code P0071 mean on a Jeep?
P0071 indicates an issue with the Ambient Air Temperature Sensor Performance, meaning the sensor is providing readings that are inaccurate or inconsistent.
2. What are the common symptoms of a P0071 code on a Jeep?
Symptoms may include an inaccurate outside temperature reading on the dashboard, issues with climate control functioning, or no noticeable symptoms at all.
3. What causes the P0071 code on a Jeep?
Common causes include a faulty ambient air temperature sensor, damaged wiring or connectors, or a malfunction in the vehicle's ECM (Engine Control Module).
4. Can I drive my Jeep with a P0071 code?
Yes, you can drive with a P0071 code, but it may affect features like the climate control system or remote start functionality.
5. How do I fix the P0071 code on my Jeep?
Start by inspecting the ambient air temperature sensor and its wiring for damage. If they are fine, the sensor may need to be replaced or the ECM reprogrammed.
6. Where is the ambient air temperature sensor located on a Jeep?
The sensor is typically located near the front grille or bumper, where it can measure outside air temperature accurately.
7. How much does it cost to fix a P0071 code on a Jeep?
Repair costs can range from $50 to $200, depending on whether you need to replace the sensor, repair wiring, or reprogram the ECM.
8. Can a bad ambient air temperature sensor affect engine performance?
Generally, no. The ambient air temperature sensor mainly impacts the climate control system and dashboard readings, not engine performance.
9. How do I reset the P0071 code on my Jeep after repairs?
You can reset the code by using an OBDII scanner to clear it or by disconnecting the battery for a few minutes. However, ensure the issue is resolved first.
10. Do I need a professional mechanic to fix the P0071 code on my Jeep?
Not necessarily. If you're comfortable inspecting and replacing sensors or checking wiring, you can likely fix it yourself. Otherwise, consult a mechanic.
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