AV Switch Connection


Table of contents

U1240 INFINITI Possible Causes

  • Faulty Audio and Video (AV) Control Unit
  • Audio and Video Control Unit harness is open or shorted
  • Audio and Video Control Unit circuit poor electrical connection

How do I fix code U1240 INFINITI?

  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.

Cost of diagnosing the U1240 INFINITI code

  The cost of diagnosing the U1240 INFINITI 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)

U1240 INFINITI Description

  The A/C and Audio and Video (AV) Switch assembly power supply and ground circuit malfunction is detected. A malfunction is detected in the communication circuit between AV control unit and A/C and AV switch assembly. A malfunction is detected in the communication signal between AV control unit and A/C and AV switch assembly.

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