Chevrolet Blazer intermittent ABS, check engine, and brake light issues with air conditioning controls still accessible on Chevrolet Blazer

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Chevrolet Blazer owners report experiencing intermittent ABS, check engine, and brake light issues, which may indicate underlying problems such as wheel speed sensor malfunctions, low brake fluid, or blown fuses. These issues can compromise braking safety, as a malfunctioning ABS control unit may lead to wheel lock-up and increased stopping distances. Additionally, the ABS light may signal a failure in the self-diagnostic cycle, indicating a loss of Anti-Lock brake functionality. Symptoms of a faulty ABS module, which includes warning lights on the dashboard, should not be ignored, as diagnosing and fixing these problems is crucial for vehicle safety. Prompt attention to these concerns is essential to ensure the proper functioning of the braking system.

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