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AutoCodes - Generic - B1721

B1721 Code - Seat Driver Rearward Switch Circuit Failure

- Code Popularity: 3,963 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By - Updated Jun 23, 2019
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|Code B1721 Possible Causes

  • Faulty Seat Driver Rearward Switch
  • Seat Driver Rearward Switch harness is open or shorted
  • Seat Driver Rearward Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

|How do I Fix the Code B1721?

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's pins.

Does your Car have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code B1721?

Labor: 1.0

The cost of diagnosing the B1721 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

|What are Code B1721 Possible Symptoms?

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

|Code B1721 Description

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

OBDII Code B1721 - Seat Driver Rearward Switch Circuit Failure -
B1721 Code - Seat Driver Rearward Switch Circuit Failure

|Need More Information on the B1721 Code?

Need more information on how to fix the B1721 code? Get Access to Factory Service Manuals

|Need Help with the B1721 Code?

Get the B1721 code diagnosed by a professional: Find a repair shop in your area

|Code B1721 comments

Help us improve Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the B1721 code? Have you replaced any parts?
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