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ECU and module service guides, postal advice and documented specialist work. Explore ECU & module services, remote support for garages and our repair photographs and projects.
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Volvo V40 Airbag ECU Crash Data Reset – P31429510
A UK postal guide to Volvo V40 P31429510 airbag ECU crash data reset, module compatibility and the SRS faults that require separate repair. Read article
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Bosch EDC16CP31 ECU Repair, Cloning & Data Transfer
Bosch EDC16CP31 ECU repair, cloning and data-transfer service in Birmingham for Bosch 0281013530 and Chrysler P05187070AJ units. Read article
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Magneti Marelli 11GV 05C907445 ECU Cloning
A technical case study covering safe opening, TC275 identification, verified data backup and the cloning workflow for a VW/SEAT Magneti Marelli 11GV 05C907445 H01 ECU. Read article
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BMW, Mercedes and VAG Key and Module Faults: A Guide
Understand common key recognition, immobiliser and control-module issues affecting BMW, Mercedes and VAG vehicles. Read article
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Hybrid Battery Warning Signs and Repair Options
Learn the warning signs of Toyota and Lexus hybrid battery deterioration, how NiMH modules are tested and what repair options may be available. Read article
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Can You Fit a Used ECU? Coding and Compatibility Guide
Before buying a used ECU, learn about part-number compatibility, immobiliser matching, coding and cloning requirements. Read article
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ECU Cloning & Data Transfer UK: Original and Donor Guide
UK postal guide to engine ECU cloning: original and donor requirements, compatibility, readable-data limits and how to order GEM’s service. Read article
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ECU Testing and Repair UK: Is the Engine ECU Really Faulty?
UK-wide postal engine ECU testing and repair guide. Learn what to send, how assessment works, service limits and how to arrange an order. Read article
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Immobiliser Fault Symptoms and How They Are Diagnosed
Understand immobiliser warning lights, key recognition and no-start symptoms, plus how vehicle security faults are diagnosed in Birmingham. Read article
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Why Is My Remote Key Fob Not Working?
Learn why a remote car key may stop locking or unlocking the vehicle and when battery replacement, resynchronisation or key programming may help. Read article