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Revolutionising EV Battery Health Checks: Fast, Remote, Certified Confidence for Used Car Sales

 

Electric vehicles are now a major part of the used car market — but one of the biggest challenges for forecourts, dealers and buyers alike remains battery health. Unlike traditional combustion vehicles, the condition of an EV’s high-voltage battery has a huge impact on value, range and long-term reliability. That’s why providing transparent, data-driven battery health reporting isn’t just a “nice to have” — it’s becoming essential in today’s EV resale landscape.

Enter the Complete Diagnostics Remote Coding & Diagnostic Tool, capable of performing high-voltage battery tests remotely and producing a clear, professional certificate in under 10 minutes — right from the forecourt or workshop.

 

Why Battery Health Matters More Than Ever

Battery condition is now the top consideration for many EV buyers — often even more important than service history or mileage alone. Tools like the Complete Diagnostics Remote EV Battery Health Tester show that buyers are demanding certified State of Health (SoH) information up front, before they commit to a purchase.

Without this data, forecourts are forced to guess at an EV’s residual value. That uncertainty can slow sales, reduce margins and leave buyers feeling unsure about their investment. With an independent, rapid battery health assessment, you instantly eliminate those concerns — and position your site as a trusted destination for quality EVs.

 

How Complete Diagnostics Enhances EV Battery Testing

 

With the Complete Diagnostics tool, dealers, workshops and forecourt teams can:

 

• • Connect remotely over 4G/Wi-Fi or LAN to a vehicle’s systems, without needing to return vehicles to main dealers or specialist workshops.

• • Initiate a high-voltage battery test directly to the vehicle’s Battery Management System (BMS), retrieving state-of-health data quickly. Data can include SoH, module performance and other key metrics that matter to both traders and buyers.

• • Generate a professional, easy-to-read certificate within around 10 minutes, presenting clear insights that even non-technical buyers can understand.

 

This capability means your business can produce certified EV battery health reports as part of the sales process, adding transparency for buyers and giving your forecourt a competitive edge.

 

 

Build Confidence, Increase Sales, and Reduce Risk

Just as independent battery health reports are rapidly becoming a standard expectation in the EV resale market, your customers will see the value in clear, concise documentation that explains battery condition in plain terms. Certified battery tests help:

 

Reduce “range anxiety” concerns for buyers
Increase conversion rates on EV stock
Improve pricing accuracy and profit margins
Enhance transparency and trust throughout the sales process

 

With EV buyers increasingly seeking certainty — particularly around expensive battery packs — providing a certified assessment built on real vehicle data is a powerful sales signal.

 

Popular EV manufacturers include:-

* denotes vehicles currently in beta testing

 

• • Audi

• • BMW

• • BYD

• • Citroen

• • Cupra

• • Fiat

• • Ford

• • Geely*

• • Honda

• • Jaecoo*

• • Jeep

• • Kia/Hyundai

• • Land Rover

• • Lexus

• • Mazda

• • Mercedes-Benz

• • MG

• • Mitsubishi

• • Nissan

• • Vauxhall

• • Peugeot

• • Renault

• • Seat

• • Skoda

• • Smart

• • Toyota

• • Volkswagen

• • Volvo

 

Contact us for more information or to request a demo at your premises at https://completediagnostics.co.uk/request-a-demo/

Or Simply give us a call on 01952 608750

The post EV Battery State Of Health Checks appeared first on Complete Diagnostics.

With many vehicles integrating their power steering modules as part of the steering rack assembly, replacing a steering rack can now involve much more than adjusting wheel alignment! When a new power steering rack is fitted the electronic steering assistance modules will require programming and configuring to the vehicle. Please note that some manufaturers require the QR code or barcode information from the steering rack itself, we always advise to take a photo of these labels prior to fitting the replacement part.

Using the Complete Diagnostics remote coding tool, we can programme replacement steering assistance modules/electronic power steering racks to the vehicle without needing to visit the main dealers with the car/van. The very latest DoIP vehicles are also covered by our services ensuring Jaguar Land Rover vehicles and many other brands can still be completed. Any of the required steering angle resets can also be performed if for example you have not needed to replace the entire steering rack assembly.

Popular makes include:-

• Ford
• Jaguar
• Hyundai/Kia
• Land Rover
• VW
• MG
• BMW
• Vauxhall
• Audi
• Peugeot
• Fiat
• SEAT
• Skoda
• Toyota
• Renault

The post Steering Rack Replacements appeared first on Complete Diagnostics.

With almost all vehicles requiring replacement keys to be programmed to the vehicle’s immobiliser modules, not only to start the vehicle but also to operate the remote locking, getting a replacement key or remote fob programmed can be more involved than ever before.

Using the Complete Diagnostics remote coding tool, we can programme replacement keys and remotes to the vehicle without needing to visit the main dealers with the car/van. We would always advise the use of OE keys and fobs wherever possible to ensure correct operation. This service is popular with many of our customers including accident repair centres, retrofit specialist, auto locksmiths, van body builders/conversion companies, fleet operators and is a great service to be able to add to your existing business and customers.

Popular makes include:-

• Ford
• AUDI (OE Keys only)
• VW (OE Keys only)
• BMW (OE Keys only)
• Vauxhall
• Hyundai/Kia
• Peugeot
• Fiat (OE Keys only)
• SEAT (OE Keys only)
• Skoda (OE Keys only)
• Toyota
• Renault (OE Keys only)

The post Replacement Key Programming appeared first on Complete Diagnostics.

Many commercial vehicles are required to have speed limitation devices fitted to adhere to legislation or they are required to be fitted to company vehicles for insurance requirements or simply to save fuel and the potential of speeding fines.

Using the Complete Diagnostics remote coding tool, we can set a speed limiter without needing to fit additional parts or devices, offering significant savings in parts and labour. This service is popular with van body builders/conversion companies, fleet operators and is a great service to be able to add to your existing business and customers.

Popular vehicles include:-

• Ford Transit
• Ford Ranger
• VW Transporter
• VW Crafter
• Vauxhall Vivaro
• Peugeot Expert
• Vauxhall Combo
• Peugeot Partner
• Toyota Proace
• Renault Master

The post Coding Speed Limiters appeared first on Complete Diagnostics.

With modern vehicles constantly increasing in complexity, even basic accident repairs such as replacing a headlight assembly now requires diagnostic coding to enable functionality. We offer remote programming for replacement headlight assemblies on over 130 different vehicles including – Volvo, Ford, BMW, Volkswagen Audi Group and Mercedes Benz. Often to be able to programme these parts requires a visit to the dealers – we can complete these remotely with our remote coding tool, greatly improving the efficiency of the repair process. Many manufacturers now place a QR code on the label of the headlight or a ‘code’ that is required to be input to start the coding process, simply send this to us when requested during the connection via our web portal and we will do the rest.

The post Replacement Headlight Programming appeared first on Complete Diagnostics.

We will perform an OTA (“Over The Air”) update on all Complete Diagnostics FD remotes. During this update, new functionality will be added regarding the front LEDs of the Complete Diagnostics FD remotes and the update process.
It often happens that when a remote is updating, there has been no clear indication that the remote is performing an update. To solve this problem we introduce the beeper and the blue front LEDs.
A blue front LED and a short beep indicate that the remote is performing an update. It is then important not to disconnect the remote from the car or the internet to prevent the remote from getting stuck in an update.
The update process takes an average of 1-2 minutes (depending on the speed of your internet connection). The length of the update process depends on how regularly you use the remote. It can happen that a remote is updating for a longer period of time because the remote has not been used for a long time. If the update is done correctly, the blue LEDs will return to their original green color.
So if you encounter the blue LEDs and the beeper while using the Complete Diagnostics FD remote, it is important to patiently wait for the update to complete.

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