B1234 - Short In The Driver Side Air Mix Control Motor Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

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

Possible symptoms

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

B1234 Description

The Climate Control Unit monitors the Driver Side Air Mix Control Motor. The Climate Control Unit sets the OBDII code when the Driver Side Air Mix Control Motor is not to factory specifications.
OBDII Code B1234 - Short In The Driver Side Air Mix Control Motor Circuit - AutoCodes.com

B1234 Information for specific makes

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B1234 Comments

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