Engine-Codes - Generic - B1521

B1521 Code - Hood Switch Circuit Short To Battery

- Code Popularity: 7,059 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B1521?

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

|How to Fix the B1521 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 B1521?

Labor: 1.0

The cost to diagnose the B1521 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 B1521 Possible Symptoms?

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

|What Does the B1521 Code Mean?

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

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