Engine-Codes - Gmc - B0161 GMC

B0161 GMC Code - Ambient Air Temperature Sensor Low

- Code Popularity: 905 Views
- Repair Importance Level: 1/3
- Repair Difficulty Level: 2/3
Table of contents

|What are the Possible Causes of the B0161 GMC Code?

  • Faulty Ambient Air Temperature Sensor
  • Ambient Air Temperature Sensor harness is open or shorted
  • Ambient Air Temperature Sensor circuit poor electrical connection

|How to Fix the B0161 GMC Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|What is the cost to diagnose the B0161 GMC code?

Labor: 1.0

The cost to diagnose the B0161 GMC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are B0161 GMC code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What Does the B0161 GMC Code Mean?

The Driver Information Center (DIC) applies 5 volts to the ambient air temperature sensor. The ambient air temperature sensor is a thermistor which varies in resistance as the temperature changes. As the resistance of the ambient air temperature sensor increases, the DIC senses a larger voltage drop across the sensor, indicating a lower temperature. As the resistance of the ambient air temperature sensor decreases, the DIC senses a smaller voltage drop across the sensor, indicating a higher temperature.

Ambient Air Temperature Sensor Low

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