Engine-Codes - Generic - B1521

B1521 Code - Hood Switch Circuit Short To Battery

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
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 is the B1521 code repair?

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 B1521 code

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.

|What are B1521 code possible symptoms?

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

|What is B1521 code meaning?

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

|Need more information with the B1521 code?

Need more information on how to fix the B1521 code?
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|Need help with a B1521 code?

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