Engine-Codes - Generic - B1548

B1548 Code - Power Window Master Circuit Open

- Code Popularity: 5,440 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC B1548?

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 Master Switch
  • Power Window Master Switch harness is open or shorted
  • Power Window Master Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)
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How to Fix the DTC B1548?

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 B1548 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 B1548 Code Mean?

The Body Control Module (BCM) monitors the Power Window Master Switch. The BCM sets the OBDII code when the Power Window Master Switch is not to factory specifications.

B1548 Code - Power Window Master Circuit Open

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