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.
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 171 FMI 3 (CPC) Ambient Temperature Sensor Failed High
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 171 FMI 2 (CPC) Ambient Temperature Sensor Data Erratic
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 171 FMI 2 (CPC) Ambient Temperature Sensor Data Erratic
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 168 FMI 18 (CPC) Battery Voltage Low
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 168 FMI 14 (MCM, CPC) ECU Power Down Not Completed (Main Battery Terminal Possibly Floating)
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 168 FMI 9 (CPC) Battery Connection Lost
