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 DD13 EPA07 (2007-09) Fault Code: SPN 168 FMI 14 (MCM, CPC) ECU Power Down Not Completed (Main Battery Terminal Possibly Floating)
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 168 FMI 1 (MCM, CPC) Battery Voltage Low
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 168 FMI 0 (MCM, CPC) Battery Voltage High
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 164 FMI 21 (MCM) Fuel Rail Pressure Sensor Drift Low
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 164 FMI 20 (MCM) Fuel Rail Pressure Sensor – Drift High
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 164 FMI 5 (MCM) Fuel Rail Pressure Sensor Circuit Failed Open or A Stuck-in-Range Sensor