Engine-Codes - Generic - B1478

B1478 - Power Window One Touch Up/Down Activated Simultaneously

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

B1478 Possible 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)

How is the B1478 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 B1478 code

Labor: 1.0

The cost to diagnose the B1478 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.

Possible Symptoms

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

B1478 Meaning

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.

More Information

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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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