Engine-Codes - Generic - U1240

U1240 - AV Switch Connection

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

U1240 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 is the U1240 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.

What is the cost to diagnose the U1240 code

Labor: 1.0

The cost to diagnose the U1240 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
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Possible Symptoms

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

U1240 Meaning

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.

More Information

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Information for specific makes

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