B1521 Possible Causes
- Faulty Hood Switch
- Hood Switch harness is open or shorted
- Hood Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
First diagnose 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 terminals.
Cost of diagnosing the B1521 code
Labor: 1.0The 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.
B1521 Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B1521 DescriptionThe Body Control Module (BCM) monitors the Hood Switch. The BCM sets the OBDII code when the Hood Switch is not to factory specifications.
B1521 More InformationNeed more information on how to fix the B1521 code?
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B1521 CommentsHelp us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the B1521 code? Have you replaced any parts?
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