Electric Smart Car Battery Repairs
Is your electric Smart Car not charging?
Don’t ignore it – book a diagnostic today and get expert help.
The following fault code(s) may be present
PTCU (Drivetrain Control Unit) – N127 2 Problems exist
1.U145641 Implausible data received from the PTC heater. General checksum error STORED CURRENT STORED
2.U012245 Communication with control unit ‘Traction System’ has a STORED malfunction, there is an error in the program memory.
Affected Vehicles
Smart EQ Fortwo
- Smart EQ Fortwo 2017
- Smart EQ Fortwo 2018
- Smart EQ Fortwo 2019
- Smart EQ Fortwo 2020
- Smart EQ Fortwo 2021
- Smart EQ Fortwo 2022
- Smart EQ Fortwo 2023
- Smart EQ Fortwo 2024
- Smart EQ Fortwo 2025
Smart EQ Forfour
- Smart EQ forfour 2017
- mSmart EQ forfour 2018
- Smart EQ forfour 2019
- Smart EQ forfour 2020
- Smart EQ forfour 2021
- Smart EQ forfour 2022
- Smart EQ forfour 2023
- Smart EQ forfour 2024
- Smart EQ forfour 2025
Common Failure Symptoms
- High-voltage battery showing extremely low or zero cell voltages
- “Battery not charging”, “EV drive disabled”, or similar fault messages
- Reduced or no electric-only driving range
- Visual signs of contamination inside the battery pack (e.g., oil residue)
- Tripping of the PTC heater circuit and associated drivetrain control unit faults
Is your electric Smart Car not charging?
Don’t ignore it – book a diagnostic today and get expert help.
Electric Smart Car Diagnostic Report
Electric Smart Car Repairs
Resolution
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
- 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.
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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