B2528 – Chevrolet Corvette C5 DTC

Chevrolet Corvette C5 DTC B2528 – Horn Relay Circuit

DTC B2528 meaning on Chevrolet Corvette C5

DTC B2528 in a Chevrolet Corvette C5 indicates a malfunction in the horn relay circuit. This diagnostic trouble code is triggered when the Body Control Module (BCM) detects an issue with the circuit responsible for controlling the horn relay.

Chevrolet Corvette C5 DTC B2528 symptoms

Symptoms of DTC B2528 in a Chevrolet Corvette C5 may include:

  • Malfunctioning horn
  • Horn not working at all
  • Warning light on the dashboard related to the horn system

Chevrolet Corvette C5 DTC B2528 causes

Common causes of DTC B2528 in a Chevrolet Corvette C5 include:

  • Faulty horn relay
  • Wiring issues in the horn relay circuit
  • Defective Body Control Module (BCM)

Chevrolet Corvette C5 DTC B2528 seriousness

While DTC B2528 in a Chevrolet Corvette C5 may not affect the overall drivability of the vehicle, it is important to address this issue as the horn is a safety feature that is crucial in emergency situations.

How to diagnose DTC B2528 on Chevrolet Corvette C5

To diagnose DTC B2528 on a Chevrolet Corvette C5, a mechanic may perform the following steps:

  1. Use a diagnostic scanner to retrieve the specific fault code
  2. Inspect the horn relay and related wiring for any visible damage
  3. Test the horn relay and circuit for proper functionality
  4. Check the BCM for any stored codes related to the horn system

How to fix DTC B2528 on Chevrolet Corvette C5

To fix DTC B2528 on a Chevrolet Corvette C5, the following steps may be taken:

  1. Replace the faulty horn relay if necessary
  2. Repair any damaged wiring in the horn relay circuit
  3. If the BCM is found to be defective, it may need to be replaced

How to erase DTC B2528 on Chevrolet Corvette C5

To erase DTC B2528 on a Chevrolet Corvette C5, a mechanic can use a diagnostic scanner to clear the fault code from the vehicle’s memory after the underlying issue has been resolved.

Recommended tools for Chevrolet Corvette C5 diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.