AutoCodes - Generic - B1521

B1521 Code - Hood Switch Circuit Short To Battery

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|B1521 code 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 B1521 code?

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.

|Cost of diagnosing the B1521 code

Labor: 1.0

The cost of diagnosing 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.

|What are B1521 code possible symptoms?

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

|B1521 code 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 -

|Need more information with the B1521 code?

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

|Need help with a B1521 code?

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

|B1521 code 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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