Code Description
WARNING: This page is about a different car, the 2009 Dodge Sprinter. However, it is still accessible from the selected car via links, so may be relevant.
For complete wiring diagrams, refer to SYSTEM WIRING DIAGRAMS .
- When Monitored:
With the ignition on and battery voltage greater than 10 volts.
- Set Condition:
The ECM detects that the Ambient Air Temperature (AAT) Sensor input voltage is not within a specified range based on operating conditions.
| Possible Causes |
|---|
| AAT SENSOR WIRING AND CONNECTORS |
| AAT SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| AAT SIGNAL CIRCUIT SHORTED TO GROUND |
| AAT SIGNAL CIRCUIT SHORTED TO THE SENSOR GROUND CIRCUIT |
| AAT SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| AMBIENT AIR TEMPERATURE SENSOR |
| ENGINE CONTROL MODULE (ECM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to DTC-Based Diagnostics/MODULE, Engine Control (ECM) - Standard Procedure .