B160F Code: Meaning, Causes, and Symptoms | OBD2 Codes

B160F – Twilight/Ambient Light Sensor

 

B160F Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B160F Possible Causes

 

Faulty Sun Sensor,Sun Sensor harness is open or shorted,Sun Sensor circuit poor electrical connection,Faulty Heating Ventilation and Air Conditioning (HVAC) A/C Heater Module

 

B160F Description

 

The Heating Ventilation and Air Conditioning (HVAC) A/C Heater Module uses a variety of sensors to adjust HVAC operation to obtain optimal performance. These sensors are continuously monitored by the A/C Heater Module to assure that they are in range. If those sensors fall out of predetermined ranges a Diagnostic Trouble Code (DTC) will set. If the A/C Heater Module detects on the Auto Headlamps Signal circuit a voltage less than 0.25 volts for the period of two seconds or more. This DTC has a de-maturing time of 20 msec. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.