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AutoCodes - Generic - B1738

B1738 Code - Mirror Driver Horizontal Switch Circuit Open

- Code Popularity: 4,119 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B1738?

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 Mirror Driver Horizontal Switch
  • Mirror Driver Horizontal Switch harness is open or shorted
  • Mirror Driver Horizontal Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)
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How to Fix the DTC B1738?

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 B1738 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 B1738 Description

The Body Control Module (BCM) monitors the Mirror Driver Horizontal Switch. The BCM sets the OBDII code when the Mirror Driver Horizontal Switch is not to factory specifications.

OBDII Code B1738 - Mirror Driver Horizontal Switch Circuit Open - AutoCodes.com
B1738 Code - Mirror Driver Horizontal Switch Circuit Open

Need More Information on the Code?

Need more information on how to fix the B1738 code? Get Access to Factory Service Manuals

Information for Specific Makes

  • B1738 Hyundai Pressure-Side Impact Sensor Front Driver Wrong ID
  • B1738 KIA Pressure-Side Impact Sensor Front Driver Wrong ID

Need Help with the Code?

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Code B1738 comments

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