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Car Diagnostic Test | ECU | BCM | Instrument Cluster | Immobiliser | Repairs
At Auto Electrician Hayes Ltd, we provide specialist mobile and bench-level repair, cloning, and recoding for faulty electronic control modules across West London (Hayes, Ealing, Northolt, Harrow, Wembley) and Slough. Whether your module has suffered water damage, software corruption, or component failure, we offer dealer-grade solutions to restore full functionality without expensive main-dealer unit replacements.
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Complete Vehicle Modules Repair Matrix
Complete Vehicle Modules Repair Matrix
We repair, clone, and restore a vast range of body, drivetrain, chassis, and security control units across BMW, Mercedes-Benz, Audi, and all major vehicle makes.
1. Powertrain & Engine Management
DME / DDE (Engine Control Units): Full 1:1 bench cloning, ISN extraction, EEPROM recovery, and hardware repair for Bosch (EDC16, EDC17, MD1, MG1), Siemens/Continental (MSD80, MSD81, MSV80), and Magneti Marelli ECUs.
DKG / TCU (Transmission Modules): Mechatronic unit repair, ISN reset, virginization, and adaptation for ZF 6HP, 8HP, DSG, and DKG dual-clutch transmission controllers.
Fuel Pump Control Modules: Replacement and bench programming for overheated or failed fuel delivery drivers.
ESP & ABS Control Units: Internal circuit repair, pump motor pressure sensor recalibration, and solenoid coding.
2. Body Control & Comfort Systems
KBM & BCM (Body Control Modules): Central gateway diagnostics, trace repairs, and EEPROM reprogramming for lighting, central locking, and power delivery failures.
FRM / FRM3 (Footwell Modules): Complete D-Flash and EEPROM bench recovery for dead power windows, non-responsive indicators, and stuck headlights.
Seat & Sunroof Modules: Board-level repairs and motor recalibration for luxury electronic seating and sunroof driver controllers.
Electric Tailgate & PLG Computers: Power Lift Gate control unit diagnostics and latch motor drive restoration.
3. Lighting, Security & Driver Assistance
Headlight Distance & Light Control Modules (LEM / LEW / DG128): Automatic beam height adjustment module repairs, LED control unit coding, and adaptive headlight restoration.
PDC (Park Distance Control): Sensor signal processing repair and audio alert module recoding.
ESL / EVL (Electronic Steering Lock): Motor replacement, emulator installation, and EEPROM alignment for stuck steering column lockouts.
EIS / EZS Ignition Locks & CAS / FEM / BDC: Key transponder synchronisation, bench testing, and donor module matching for complete non-start situations.
4. Chassis, Suspension & Air Conditioning
EPB (Electronic Parking Brake Controllers): Actuator drive circuit repair, parking brake lockup clearance, and control unit recoding.
Air Suspension & Level Regulators: Height sensor calibration and compressor relay driver board repairs.
AC Controllers & Power Amplifiers: HVAC climate control unit rebuilds and high-output audio amplifier module board repairs.
Why Choose Auto Electrician Hayes Ltd?
Why Choose Auto Electrician Hayes Ltd?
Dealer-Level Diagnostic Equipment: Advanced bench setups allowing us to read, write, and repair module microchips directly without risking vehicle wiring.
Mobile & Bench Mail-In Options: Mobile visits throughout Hayes, West London, and Slough, alongside nationwide postal bench repair services.
Cost-Effective Solutions: Save hundreds of pounds by cloning your corrupted data directly onto a refurbished donor unit rather than paying main-dealer prices for new modules.
Frequently Asked Questions
Frequently Asked Questions
Q: Do you offer mail-in module repair if I am outside your mobile area?
A: Yes. You can remove your faulty ECU, FRM3, SAM module, or ignition switch and post it directly to our Hayes workshop for bench testing, recovery, and return shipping.
Q: What is module cloning?
A: Cloning copies the exact security (ISN), immobiliser data, coding, and software from your original broken module onto a working replacement module. This makes the new unit plug-and-play with no extra dealer programming required.
Q: How long does a typical bench repair take?
A: Most standard module restorations (such as BMW FRM3 recovery or Mercedes SAM testing) are completed within 24 to 48 hours of receiving the unit.
Q: What types of vehicle electronics repairs does Auto Electrician Hayes Ltd. specialise in?
A: We specialise in ECU cloning, immobiliser repair (EIS, EZS, BDC, CAS), FRM3 repair, transmission module coding (722.9 ISM), and advanced vehicle diagnostics in Hayes and West London.
Q: How does ECU & Module bench repair work for Mercedes and BMW?
A: You can bring or post your faulty module directly to us. We test, repair, and clone modules on the bench using the Autel IM608 Pro, AutoHexII, HexProII, Alientech KESS3, Magic Motorsport FLEX, and Xhorse Multi-Prog without needing the car on-site.
Q: Where can I find affordable immobiliser repair in Hayes, Slough, Northolt, and Hounslow?
A: Auto Electrician Hayes Ltd. offers fast and affordable immobiliser repair and programming services across Hayes, Slough, Northolt, Hounslow, and West London.
Supported Vehicle Brands Directory (A – Z)
A— Audi
B — BMW
F — Ford
H — Hyundai
L — Land Rover
M — Mercedes-Benz, MINI, Mitsubishi
P — Peugeot, Porsche
R — Renault
S — SEAT, Skoda, Smart, Subaru, Suzuki
T — Toyota
V — Volkswagen (VW), Volvo
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