Engine-Codes - Generic - B1438

B1438 Code - Wiper Mode Select Switch Circuit Failure

- Code Popularity: 13,127 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

What are the Possible Causes of the Code B1438?

  • Faulty Wiper Mode Select Switch
  • Wiper Mode Select Switch harness is open or shorted
  • Wiper Mode Select Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How to Fix the B1438 Code?

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 Code B1438?

Labor: 1.0

The cost to diagnose the B1438 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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What are Code B1438 Possible Symptoms?

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

What Does the B1438 Code Mean?

The Body Control Module (BCM) monitors the Wiper Mode Select Switch. The BCM sets the OBDII code when the Wiper Mode Select Switch is not to factory specifications.

B1438 Code - Wiper Mode Select Switch Circuit Failure

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