Understanding Tesla HV Battery Alerts and Diagnostic Behavior
EV Reviver
October 15, 2025
Specializing in HV battery diagnostics, software fixes, drive unit, and life-extending repairs for out-of-warranty EVs. Extend your range, slash costs, and keep driving green – all in one Orange County spot.
“I wish I would’ve known about these guys sooner. My Tesla model X performance was bricked. Turns out I needed one module in the….”
Mike Murray
Essential precision matters
Unmatched expertise in electric vehicle battery restoration and performance
Expert Tesla battery testing with on-site, mobile, and remote diagnostics to accurately detect faults.
Advanced Tesla battery repair using state-of-the-art equipment for precise restoration and full system recovery.
Continuous training keeps our certified technicians ahead of industry standards.
0% APR financing with installment options, quick approval, no hidden fees, and full rebuild coverage.
Featured Modelrs
From quick diagnostics to full repairs, we handle it all with precision tools and no-nonsense pricing. No upsells, just results.
Featured Services
We provide high-voltage battery diagnostics, module and pack repair, full battery replacement, and Large Drive Unit (LDU) rebuild services to maintain safe, efficient Tesla operation.
Certified Tesla HV battery repair and replacement to restore range, performance, and long-term reliability.
Certified Tesla high-voltage system repair for safe, efficient power and performance.
Expert Tesla Large Drive Unit repair and rebuild solutions engineered for smooth power and lasting reliability.
Factory-level Tesla software service, including firmware updates, calibration, and error code diagnostics.
Advanced Tesla diagnostics to detect HV, drive unit, and system faults for accurate, efficient repairs.
Our Mission
Headquartered in Orange County, California, EV Reviver™ is redefining the landscape of electric vehicle repair with a specialized focus on Tesla battery restoration.
Our mission is to combat the escalating costs and inflated estimates that have long plagued EV battery repairs, making sustainable transportation more accessible, affordable, and reliable for everyday drivers.
Lower prices, transparent diagnostics, and exceptional customer satisfaction – get your Tesla back on the road with confidence.
$8K - $13K
Full repair or rebuild
Flexible (12 - 36 months)
Available across SoCal
Available
$10K - $15K
Partial repair options
Fixed, often extra cost
Limited coverage
Limited
$15K - $20K
Replacement only
Fixed & restrictive
Not available
Limited
Featured Pricing
Lower prices, transparent diagnostics, and exceptional customer satisfaction – get your Tesla back on the road with confidence.
$8K - $13K
Full repair or rebuild
Flexible (12 - 36 months)
Available across SoCal
Available
$10K - $15K
Partial repair options
Fixed, often extra cost
Limited coverage
Limited
Starting At
$15K - $20K
Replacement only
Fixed & restrictive
Not available
Limited
Same-day diagnostics for Tesla High-Voltage Batteries and Large Drive Units (LDU), with fast scheduling and no-obligation quotes.
Serving Orange County, Los Angeles County, and all of Southern California.
Resources
Starting at just $2,500
Reliable HV battery repair with expert diagnostics and fast turnaround