What are the possible causes of OBDII code P0071? - The code P0071 is often caused by a faulty ambient air temperature sensor, damaged wiring or connectors, or issues with the …

If all prior tests have passed and you continue to get a P0071, this would most likely indicate a failed AAT sensor, although a failed control module could not be ruled out until the AAT sensor …

Drivers who see the check‑engine lamp accompanied by a “cold‑air sensor” warning are usually experiencing the P0071 fault. The most common observation is a brief rough idle or a slight …

Jun 8, 2024 · The P0071 code stands for “Ambient Air Temperature Sensor Range/Performance.” This code is triggered when the PCM detects that the input from the AAT sensor does not …

The P0071 code indicates the range or performance of an Ambient Air Temperature AT sensor isn’t working properly. In order to measure the temperature within the atmosphere surrounding …

The P0071 diagnostic trouble code (DTC) indicates an issue with the vehicle’s outside air temperature sensor (also called ambient air temperature sensor). This sensor measures the …

Sep 13, 2025 · Learn all about the P0071 code, what causes ambient air temperature sensor range/performance issues, and how to diagnose and fix common issues to maintain optimal …

Find out the exact meaning of the fault code p0071, its possible causes, and tips for eliminating it – all for free.

How to fix P0071 Code: Ambient Air Temperature Sensor Range/Performance What is the Ambient Air Temperature Sensor? The ambient air temperature sensor reports the outside …

OBD-II Code P0071 is defined as a Ambient Air Temperature Sensor Range/Performance. The ambient temperature sensor helps the engine control module (PCM) determine how much fuel …