Tesla Model Y With Reduced Power

BMW i3 HB battery fault front
Does your Tesla Model Y have reduced power?

Don’t ignore it – book a diagnostic today and get expert help.

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Tesla Model Y intermittent non-start
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Tesla Model Y pyrofuse fault

The following fault code(s) may be present

No explicit fault codes were listed in this case.

Affected Vehicles

Tesla Model Y
  • All variants

Common Failure Symptoms

  • Sudden “Power Reduced” warning displayed on instrument cluster
  • Reduced acceleration or top speed compared to normal performance
  • Vehicle may appear to drive normally for a short time then lose power or go into “limp” mode
  • Possible intermittent “non-start” or reduced readiness after a fault is triggered
  • Evidence of high-voltage system damage, such as burnt wiring or a faulty pyrofuse (in this specific case)
Does your Tesla Model Y have reduced power?

Don’t ignore it – book a diagnostic today and get expert help.

BMW i3 dashboard errors

Tesla Model Y Diagnostic Report

With this job, the customer’s Tesla Model T with reduced power was traced to a failure in the high-voltage battery pyrofuse system. Our diagnostic process included a full high-voltage system inspection where we found a non-genuine pyrofuse, burnt wiring in the battery pack’s shunt sensor, and damage caused during a previous supercharger session.

BMW i8 component 1

Tesla Model Y Repairs

Repair work involved replacing the high-voltage fuse and shunt sensor, repairing the burnt wiring connection, replacing the 12 V auxiliary battery, and performing software updates.

Resolution

After completing the repair, the Tesla Model Y with reduced power condition was resolved. The vehicle regained full performance, the “Power Reduced” warning cleared, and the car was returned to the owner with verified function and confidence in its high-voltage system.

Need Help?

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Specialist Support for EV & Hybrid Repairs
We partner directly with independent garages, dealerships, warranty and fleet providers, and insurance companies across the UK to resolve complex EV and hybrid vehicle issues.

If your customer’s vehicle is displaying battery or electrical faults, we offer advanced diagnostics and expert repair solutions that go far beyond simple parts replacement.

Our battery and component repair service includes:

  • Nationwide collection and delivery
  • Rapid turnaround times
  • Comprehensive technical support

Let us help you keep your customers on the road, while enhancing the value and reputation of your services.

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Is the vehicle owned by you or your business?

Have you been advised the battery or component needs replacing on your vehicle?
Before committing to a costly full replacement, talk to us. At LKQ Electriq, we specialise in inspecting, diagnosing and repairing complex battery and component faults (issues that many main dealers won’t touch).

Our expert repair service can restore your Range Rover’s hybrid battery at a fraction of the cost of replacement. We offer:

  • Nationwide collection and delivery
  • Transparent, honest assessments
  • Specialist repairs backed by technical expertise

We’ve helped customers across the country save thousands. Book a diagnostic today and discover how we can help you get back on the road, without breaking the bank.

Click below to find out how we can support you.

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Do Cedar Electric repairs have a warranty?

High Voltage System Repairs
Repairs involving high voltage systems typically include a 12-month, unlimited mileage warranty, offering you complete peace of mind.*

Lifetime Guarantee
All work carried out at Cedar Garage is backed by our lifetime workmanship guarantee.

*Terms and conditions apply. Please consult a Service Advisor to confirm the specific warranty details for your vehicle prior to booking.

 

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