Engine-Codes - Generic - B13AB

B13AB - Air Mix Actuator Circuit

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

B13AB Possible Causes

  • Faulty Air Mix Actuator Motor
  • Air Mix Actuator Motor harness is open or shorted
  • Air Mix Actuator Motor circuit poor electrical connection
  • Faulty Climate Control Unit

How is the B13AB code repair?

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.

Tech Notes

B13AB:12 Air mix actuator (potentiometer) circuit short to power supply
B13AB:13 Air mix actuator (potentiometer) circuit open

What is the cost to diagnose the B13AB code

Labor: 1.0

The cost to diagnose the B13AB code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms

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

B13AB Meaning

The Climate Control Unit monitors the Air Mix Actuator Motor. The Climate Control Unit sets the OBDII code when the Air Mix Actuator Motor is not to factory specifications.

More Information

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Information for specific makes

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