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AutoCodes - Generic - B1521

B1521 Code - Hood Switch Circuit Short To Battery

- Code Popularity: 7,446 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By - Updated Apr 29, 2019
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|Code B1521 Possible Causes

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

|How do I Fix the Code B1521?

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 B1521?

Labor: 1.0

The cost of diagnosing the B1521 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 B1521 Possible Symptoms?

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

|Code B1521 Description

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

OBDII Code B1521 - Hood Switch Circuit Short To Battery -
B1521 Code - Hood Switch Circuit Short To Battery

|Need More Information on the B1521 Code?

Need more information on how to fix the B1521 code? Get Access to Factory Service Manuals

|Need Help with the B1521 Code?

Get the B1521 code diagnosed by a professional: Find a repair shop in your area

|Code B1521 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 B1521 code? Have you replaced any parts?
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