Engine-Codes - Generic - B1478

B1478 Code - Power Window One Touch Up/Down Activated Simultaneously

- Code Popularity: 9,085 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B1478?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Power Window One Touch Up/Down Switch
  • Power Window One Touch Up/Down Switch harness is open or shorted
  • Power Window One Touch Up/Down Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)
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How to Fix the DTC B1478?

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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the B1478 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the B1478 Code Mean?

The Body Control Module (BCM) monitors the Power Window One Touch Up/Down Switch. The BCM sets the OBDII code when the Power Window One Touch Up/Down Switch is not to factory specifications.

B1478 Code - Power Window One Touch Up/Down Activated Simultaneously

Need more Information on the Code?

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Code B1478 Information for Specific Makes

  • B1478 Chrysler Channel 5 Audio Speaker Output Circuit Shorted Together
  • B1478 Dodge Channel 5 Audio Speaker Output Circuit Shorted Together
  • B1478 Hyundai Passenger Curtain Airbag Resistance Too Low
  • B1478 Jeep Channel 5 Audio Speaker Output Circuit Shorted Together
  • B1478 KIA Passenger Curtain Airbag Resistance Too Low
  • B1478 RAM Channel 5 Audio Speaker Output Circuit Shorted Together

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