AutoCodes - OBDII Code List - B0413

B0413 - Temperature Control 1 Feedback Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

B0413 Possible Causes

What does this mean?
  • Faulty Drivers Air Temperature Actuator
  • Drivers Air Temperature Actuator harness is open or shorted
  • Drivers Air Temperature Actuator circuit poor electrical connection

How do I fix code B0413?

Check 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.
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Tech Notes

What does this mean?
DTC B0413 02 - Temperature Control 1 Feedback Circuit Short to Ground
DTC B0413 05 - Temperature Control 1 Feedback Circuit Short to Battery or Open
DTC B0413 61 - Temperature Control 1 Feedback Circuit Actuator Stuck Open

Cost of diagnosing the B0413 code

Labor: 1.0

The cost of diagnosing the B0413 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

B0413 Description

The Heating, Ventilation, and Air Conditioning (HVAC) control module controls the HVAC door actuators to regulate the airflow through the HVAC system. Each actuator consists of an electric motor and a potentiometer. The module supplies a low reference and 5-volt reference source voltage to the potentiometer. The HVAC control module monitors the voltage drop across the potentiometer on the door position signal circuit. When the actuator shaft rotates, the voltage on the door position signal circuit changes. The control circuit uses either a 0, 2.5 or 5-volt signal to command the actuator movement. When the actuator is at rest, the control circuit value is 2.5 volts. A 0 or 5-volt control signal commands the actuator movement in opposite directions.
OBDII Code B0413 - Temperature Control 1 Feedback Circuit - AutoCodes.com

More Information

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