Quick overview
This service is diagnostic-first. We test key output, vehicle receiver states and security module communication before recommending repair or replacement action. You receive a clear technical summary before work proceeds.
Warning lights are loud enough already.
Key and ECU issue diagnostics
When keys, immobiliser modules or ECU communication fail, we provide structured diagnostics and coding support at your location in South Devon.
We are fully mobile, so we come to your home or workplace, daytime or evening, at a time that suits you. You stay put; we bring the workshop. Ask when you call and we will book the best slot for you.
- Immobiliser and BCM checks
- Remote and transponder fault tracing
- Module sync and coding procedures
Interesting facts
- Low-voltage events can cause temporary key synchronisation faults.
- Some immobiliser faults appear as key failures even when the key itself is healthy.
- Correct diagnostics often prevent unnecessary key or module replacement.