DESCRIPTION:
Ambient temperature sensor data signal error.
MONITORED PARAMETER:
Ambient temperature
TYPICAL ENABLING CONDITIONS:
Always enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCY:
Always enabled
TYPICAL DURATION:
2 seconds
DASH LAMPS:
CEL
ENGINE REACTION:
None
VERIFICATION:
1. Key cycle: 5 minutes off.
2. Engine Idle: 2 minutes.
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 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
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 168 FMI 7 (CPC) Opt Idle Detected Charging System or Battery Failure
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 168 FMI 1 (MCM) Battery Voltage Low
