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AutoCodes - Generic - B1438

B1438 Code - Wiper Mode Select Switch Circuit Failure

- Code Popularity: 14,656 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B1438?

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 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)
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How to Fix the DTC B1438?

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 B1438 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 B1438 Description

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.

OBDII Code B1438 - Wiper Mode Select Switch Circuit Failure - AutoCodes.com
B1438 Code - Wiper Mode Select Switch Circuit Failure

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Code B1438 comments

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