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AutoCodes - Generic - B18B7

B18B7 Code - Master Switch Rear Left Window Switch

- Code Popularity: 1,369 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B18B7?

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 Rear Left Window Switch
  • Rear Left Window Switch harness is open or shorted
  • Rear Left Window Switch circuit poor electrical connection
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How to Fix the DTC B18B7?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B18B7 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code B18B7 Description

Whenever the Door Module detects a Rear Left Window signal from the master power window switch, for over 30 seconds, this Diagnostic Trouble Code (DTC) will set.

OBDII Code B18B7 - Master Switch Rear Left Window Switch - AutoCodes.com
B18B7 Code - Master Switch Rear Left Window Switch

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Information for Specific Makes

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Code B18B7 comments

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