Detroit DD15 EPA10 (2010-13) Fault Code: SPN 171 FMI 14 (CPC) J1587 Ambient Air Temperature Sensor Data Not Received this Ignition Cycle

NOTE: Please see the step by step troubleshooting procedures for this specific code.

PROBABLE CAUSES:
1. Ambient air temperature sensor not programmed correctly in ECM.
2. Ambient air temperature sensor connector/harness.
3. Ambient air temperature sensor.