Automotive Diagnostics
Summerville, SC | Charleston, SC
Proudly Serving Our Community Since 1989
ASE-Certified Professionals
12-Month/12,000-Mile Workmanship Warranty
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Get Accurate Automotive Diagnostics for Your Vehicle Today
Modern vehicles rely on complex computer systems, and when warning lights appear, you need precise answers fast. At Cannon's Auto & Electric, our ASE-certified professionals use advanced diagnostic equipment to identify issues quickly and accurately. From check engine lights to electrical problems, we'll pinpoint what's wrong and explain your options clearly.
- Engine performance analysis
- Transmission diagnostics
- Check engine light troubleshooting
- Electrical system testing
- ABS and airbag system scans
- Emission control diagnostics
- Computer module programming
Reach out to us, and we'll get your vehicle diagnosed right away.
Understanding When Your Vehicle Needs Diagnostic Testing
Dashboard warning lights aren't something to ignore, and strange noises or performance issues deserve professional attention. Our diagnostic services help you avoid costly repairs by catching problems early. Here's when you should schedule testing:
- Check engine or warning lights illuminate
- Unusual sounds or vibrations occur
- Decreased fuel efficiency
- Hesitation or stalling issues
- Failed emissions testing
- Electrical component malfunctions
Early detection saves you money and prevents breakdowns. We'll provide a detailed report of what's happening under the hood so you can make informed decisions about repairs.
Why Choose Cannon's Auto & Electric
Since 1989, we've served our community with reliable automotive diagnostics. Our veteran-founded, family-owned shop combines modern technology with personal customer care. Here's what you can expect:
- ASE-certified professionals with extensive training
- Modern diagnostic equipment
- 12-month/12,000-mile workmanship warranty available
- Licensed and insured full-service facility
- Comfortable waiting area with complimentary wi-fi
- Free coffee and water during your visit
- Vehicle drop-off services for your convenience
We work with all major insurance companies and deliver quality workmanship you can count on. Our commitment to customer service means you'll always know exactly what's happening with your vehicle.
Contact Us
Dashboard warning lights can cause stress and uncertainty. Our team proudly serves Summerville, SC, and surrounding cities, ready to provide comprehensive diagnostic testing that gets to the root of any issue. We'll explain everything in straightforward terms and help you understand the best path forward for your vehicle's health and your budget.
Contact us today to schedule your automotive diagnostic appointment.

Thank you for your service! Contact Cannon's Auto & Electric today to schedule your appointment and claim your discount.
Not valid with any other offers or promotions. Restrictions apply.
Must mention this coupon at the time of scheduling.
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