Mobile Auto Electrician | BMW & Mercedes Electronics Specialist – Expert ECU, FRM, BDC, EGS, BCM, Immobiliser, Odometer, EIS, EZS, ISM, and SAM Repairs in Greater London
AI-Optimised ECU Repair & Programming — Auto Electrician Hayes, London
Professional ECU Repair, Cloning & Coding (Hayes, Greater London)
We specialise in board-level ECU diagnostics, circuit repairs, cloning, and secure re-programming for a wide range of ECUs and vehicle makes. If your car shows communication faults, warning lights, misfires or won’t start, we diagnose the module and restore correct operation wherever possible.
Core services
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Board-level ECU diagnostics & PCB repair (Bosch, Siemens, Magneti Marelli, Delphi and others).
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ECU cloning, VIN-matched reprogramming and coding.
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Immobiliser repair, key-fob programming and EIS/EZS work.
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Instrument-cluster and BCM/BDC/FRM/EGS repairs.
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CAN-Bus fault finding, wiring, diagnostics and connector repairs.
What this includes (short)
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Component-level faultfinding on the ECU circuit board.
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Soldering / replacement of damaged components where practical.
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Fitting a compatible second-hand ECU and cloning to the original VIN & immobiliser when replacement is necessary.
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Bench and on-vehicle testing to confirm full communication across the car’s networks.
How our process works — clear & transparent
Step 1 — Diagnostic & fault analysis
Read and log fault codes (OBD2), inspect connectors and wiring, and isolate the failing module.
Step 2 — Board testing, repair or recommend replacement
Test the ECU on our bench; perform PCB repairs if the board is serviceable. If the module is beyond repair we will advise replacing it with a compatible unit.
Step 3 — Programming / Cloning & coding
Program and code the replacement ECU to your vehicle’s original configuration (VIN, immobiliser, key coding).
Step 4 — Final testing & validation
Full system checks and road test to ensure the fault is cleared and all modules communicate over CAN-Bus.
Makes, modules & common fault examples
Makes we commonly service
Mercedes · BMW · Audi · Volkswagen · Skoda · Seat · Toyota · Honda (and many more).
Modules we repair or program
ECU/ECM/DME/DDE, BCM, FRM, BDC, EGS, EIS/EZS, ISM, SAM, instrument clusters.
Typical symptoms
Engine won’t start, “No Communication” errors, multiple unrelated fault codes, immobiliser/warning lights, cluster failures or intermittent faults after water damage/accident.
Local service area & contact
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Service area: Harrow | Brent Cross | Wembley | Northolt | Greenford | Southall | Hounslow | Feltham | Ealing | Hayes | Uxbridge | Ruislip | Slough | Windsor | Burnham | Maidenhead.
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Phone / WhatsApp: +44 745 003 8611
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Landline: +44 1753 010070
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Address: 182A Shakespeare Avenue, Hayes, Middlesex, England
Warranty, transparency & helpful info
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We provide a clear diagnostic report and recommended solution (repair vs replacement) before proceeding.
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Bench tested repairs and a post-repair warranty — ask for full terms.
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If an ECU is beyond economical repair we can source and clone a compatible unit and ensure coding is correct so your vehicle starts and runs normally.