Audi Q7 EV Low Range Issue (2016-2025)
Have you got a fault code on your Audi Q7 EV?
Don’t ignore it – book a diagnostic today and get expert help.
The following fault code(s) may be present
BECM-P03E800 – Hybrid Battery Pack Voltage Variation – Exceeded Limits
P0A80 – High-voltage battery pack deterioration or failure detected
P1A2A-00 – Hybrid/EV Battery High Voltage Bus Test Circuit Fault
B1676 – Battery Pack Voltage Out of Range
P0A0D – High-voltage system interlock or safety device fault
U0100 – Lost Communication with Hybrid/EV Control Module
P0B22 – Battery Cell Voltage Sensor Circuit “A” Fault
P0B24 – Battery Cell Voltage Sensor Circuit “B” Fault
P0B26 – Battery Cell Voltage Sensor Circuit “C” Fault
P0B28 – Battery Cell Voltage Sensor Circuit “D” Fault
P0B30 – Battery Cell Voltage Sensor Circuit “E” Fault
Affected Vehicles
Audi Q5 TFSI e
- Audi Q5 TFSI e 2019
- Audi Q5 TFSI e 2020
- Audi Q5 TFSI e 2021
- Audi Q5 TFSI e 2022
- Audi Q5 TFSI e 2023
- Audi Q5 TFSI e 2024
- Audi Q5 TFSI e 2025
Audi A6 TFSI e
- Audi A6 TFSI e 2019
- Audi A6 TFSI e 2020
- Audi A6 TFSI e 2021
- Audi A6 TFSI e 2022
- Audi A6 TFSI e 2023
- Audi A6 TFSI e 2024
- Audi A6 TFSI e 2025
Audi A7 TFSI e
- Audi A7 TFSI e 2019
- Audi A7 TFSI e 2020
- Audi A7 TFSI e 2021
- Audi A7 TFSI e 2022
- Audi A7 TFSI e 2023
- Audi A7 TFSI e 2024
- Audi A7 TFSI e 2025
Audi A8 TFSI e
- Audi A8 TFSI e 2019
- Audi A8 TFSI e 2020
- Audi A8 TFSI e 2021
- Audi A8 TFSI e 2022
- Audi A8 TFSI e 2023
- Audi A8 TFSI e 2024
- Audi A8 TFSI e 2025
Audi Q8 TFSI e
- Audi Q8 TFSI e 2019
- Audi Q8 TFSI e 2020
- Audi Q8 TFSI e 2021
- Audi Q8 TFSI e 2022
- Audi Q8 TFSI e 2023
- Audi Q8 TFSI e 2024
- Audi Q8 TFSI e 2025
Volkswagen Touareg eHybrid
- Volkswagen Touareg eHybrid 2019
- Volkswagen Touareg eHybrid 2020
- Volkswagen Touareg eHybrid 2021
- Volkswagen Touareg eHybrid 2022
- Volkswagen Touareg eHybrid 2023
- Volkswagen Touareg eHybrid 2024 Volkswagen Touareg eHybrid 2025
Porsche Cayenne E-Hybrid
- Porsche Cayenne E-Hybrid 2019
- Porsche Cayenne E-Hybrid 2020
- Porsche Cayenne E-Hybrid 2021
- Porsche Cayenne E-Hybrid 2022
- Porsche Cayenne E-Hybrid 2023
- Porsche Cayenne E-Hybrid 2024
- Porsche Cayenne E-Hybrid 2025
Common Failure Symptoms
- Low electric-only driving range
- Hybrid battery voltage variation fault code present
- Reduced electric driving performance
Have you got a fault code on your Audi Q7 EV?
Don’t ignore it – book a diagnostic today and get expert help.
Audi Q7 Diagnostics Report
Audi Q7 Repairs
- Replaced faulty battery cell block impacting voltage stability
- Conducted system recalibration and safety integrity checks
- Performed comprehensive testing to ensure restored EV function
Resolution
- Electric-only driving range improved from 5 to 22 miles
- Battery voltage fault codes cleared
- Electric performance and functionality restored
Need Help?
Are you an independent garage, dealership, warranty, fleet or insurance business?
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
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Let us help you keep your customers on the road, while enhancing the value and reputation of your services.
Click below to find out how we can support you.
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.
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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