AutoCodesChevrolet – B0418 2016 Chevrolet Silverado

B0418 2016 Chevrolet Silverado Code - Right Temperature Control Circuit

Quick Answer

Stepper motors are used for temperature regulation, air distribution control and recirculation door control. Common causes include Faulty Passenger Air Temperature Actuator, Passenger Air Temperature Actuator harness is open or shorted, Passenger Air Temperature Actuator circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
B0418 2016 Chevrolet Silverado indicates Right Temperature Control Circuit.
Common causes
Common causes include Faulty Passenger Air Temperature Actuator, Passenger Air Temperature Actuator harness is open or shorted, Passenger Air Temperature Actuator circuit poor electrical connection.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
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Code Popularity 1,259
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 29, 2024
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Code B0418 2016 Chevrolet Silverado Description

Stepper motors are used for temperature regulation, air distribution control and recirculation door control. With the switches and dials on the HVAC controls, air temperature door position, mode door position and recirculation door position can be selected. The selected values are passed to the Heating, Ventilation, and Air Conditioning (HVAC) Control Module via serial data. The HVAC control module supplies a 12 V reference voltage to the stepper motors and energizes the 4 stepper motor coils with a pulsed ground signal. The stepper motors move the appropriate doors into the calculated positions, in order to reach the desired positions.
OBDII Code B0418 2016 Chevrolet Silverado - Right Temperature Control Circuit - AutoCodes.com
B0418 2016 Chevrolet Silverado Code - Right Temperature Control Circuit

What are the Possible Causes of the DTC B0418 2016 Chevrolet Silverado?

  • Faulty Passenger Air Temperature Actuator
  • Passenger Air Temperature Actuator harness is open or shorted
  • Passenger Air Temperature Actuator circuit poor electrical connection
  • Faulty Heating, Ventilation, and Air Conditioning (HVAC) Control Module

How to Fix the DTC B0418 2016 Chevrolet Silverado?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B0418 2016 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B0418 2016 Chevrolet Silverado code?

Need more information on how to fix the B0418 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B0418 2016 Chevrolet Silverado Code

What does the OBDII code B0418 indicate on a 2016 Chevrolet Silverado?

The code B0418 on a 2016 Chevrolet Silverado indicates a fault in the Right Temperature Control Circuit, typically suggesting an issue with the operation of the HVAC (Heating, Ventilation, and Air Conditioning) system's ability to control the temperature on the passenger side of the vehicle.

What are common symptoms of code B0418 in a 2016 Chevrolet Silverado?

Common symptoms include the inability to adjust the temperature on the passenger side, different temperatures on the driver and passenger sides, and sometimes an unresponsive HVAC control panel.

What causes the B0418 code to appear on a 2016 Chevrolet Silverado?

Possible causes for the B0418 code include a faulty passenger side temperature blend door actuator, a damaged wiring harness to the actuator, or a malfunctioning HVAC control module.

How can I diagnose the B0418 code in my 2016 Chevrolet Silverado?

Diagnosing the B0418 code involves checking the passenger side blend door actuator for proper operation using a scan tool, inspecting the wiring and connectors for damage, and testing the signals from the HVAC control module.

What are the steps to fix the B0418 code on a 2016 Chevrolet Silverado?

To fix the B0418 code, replace the faulty blend door actuator if it is malfunctioning, repair any damaged wiring or connectors, and ensure the HVAC control module is functioning correctly. Resetting the HVAC system and clearing the code from the vehicle’s computer after repairs is also necessary.

Is it safe to drive my 2016 Chevrolet Silverado with the B0418 code active?

While it is generally safe to drive with the B0418 code, the comfort of the vehicle may be compromised, and the issue should be addressed soon to restore proper function to the HVAC system.

Can ignoring the B0418 code lead to other problems in my 2016 Chevrolet Silverado?

Ignoring the B0418 code can lead to further discomfort and potentially exacerbate the underlying issue, possibly affecting other components in the HVAC system if left unaddressed for an extended period.

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