At KRM Diagnostics, we specialize in fast, reliable, and professional automotive key solutions you can trust. From car key replacements and remote programming to advanced ECU and BCM repairs, we get you back on the road quickly and affordably — combining convenience with cutting-edge diagnostic technology for precise, secure results on modern vehicles.
427 Primrose st, Gauteng, Pretoria, 0037.
Weekdays: 07:00 - 17:00h
Saturday: 07:00 - 17:00h
Sunday: closed
From fault-code diagnostics to module repair and key cloning — we find the root cause and fix it right the first time.
We offer comprehensive vehicle diagnostics using advanced scanning equipment to perform full system checks. Our diagnostic service reads fault codes from all major vehicle systems, including engine, transmission, ABS, airbags, and body control modules.
This allows us to accurately identify electrical and mechanical issues, saving you time and preventing unnecessary part replacements. We don't just read codes — we properly diagnose the root cause of the problem.
Contact UsWe specialize in BCM (Body Control Module) reset and reprogramming for Ford Ranger models. If you're experiencing electrical issues such as lights malfunctioning, central locking problems, or dashboard errors, a BCM reset may be required.
We safely reset and reprogram the module to restore proper communication within the vehicle's electrical system, ensuring everything functions correctly again.
Contact UsBMW vehicles commonly experience FRM (Footwell Module) failures, which can cause issues with headlights, indicators, windows, and interior lighting. Instead of costly module replacement, we offer professional FRM repair services.
We restore and reprogram the module, resolving lighting and window faults efficiently and cost-effectively, while maintaining your vehicle's original coding.
Contact UsOur ECU cloning service transfers data from your original Engine Control Unit to a replacement unit, ensuring immobilizer data, coding, and vehicle-specific information are correctly copied so the replacement ECU works seamlessly. It's a cost-effective solution when the original unit is damaged or faulty.
If your car key is damaged, cracked, unresponsive, or completely broken, we repair or replace it quickly — blade repairs, remote shell replacements, and internal chip issues, all handled reliably.
Avoid the stress of being locked out by getting a spare key made in advance. We cut and program spare keys for most vehicle makes and models, European, Asian, and American.
Contact UsThe key to life is having a spare.
Fast mobile response • Professional service • 24/7 support
Fast mobile response · Professional service · Nationwide coverage

We offer comprehensive vehicle diagnostics using advanced scanning equipment to perform full system checks. Our diagnostic service reads fault codes from all major vehicle systems, including engine, transmission, ABS, airbags, and body control modules. This allows us to accurately identify electrical and mechanical issues, saving you time and preventing unnecessary part replacements. We don’t just read codes — we properly diagnose the root cause of the problem.
We specialize in BCM (Body Control Module) reset and reprogramming for Ford Ranger models. If you’re experiencing electrical issues such as lights malfunctioning, central locking problems, or dashboard errors, a BCM reset may be required. We safely reset and reprogram the module to restore proper communication within the vehicle’s electrical system, ensuring everything functions correctly again.
BMW vehicles commonly experience FRM (Footwell Module) failures, which can cause issues with headlights, indicators, windows, and interior lighting. Instead of costly module replacement, we offer professional FRM repair services. We restore and reprogram the module, resolving lighting and window faults efficiently and cost-effectively while maintaining your vehicle’s original coding.
Our ECU cloning service transfers data from your original Engine Control Unit to a replacement unit. This process ensures that immobilizer data, coding, and vehicle-specific information are correctly copied so the replacement ECU works seamlessly with your vehicle. ECU cloning is a cost-effective solution when the original unit is damaged or faulty, allowing proper engine performance without complex reprogramming.
If your car key is damaged, cracked, not responding, or completely broken, we can repair or replace it quickly. We handle blade repairs, remote shell replacements, and internal chip issues. Whether it’s a simple physical break or an electronic fault, we provide reliable solutions to restore full key functionality.
Avoid the stress of being locked out by getting a spare key made in advance. We cut and program spare keys for most vehicle makes and models, including remote and transponder keys. Our precise cutting and programming ensure your spare key works just like the original — giving you peace of mind and convenience.


Fast diagnostics, spare keys, ECU programming & mobile assistance. Reliable. Affordable. Professional.
View ServicesSimple pricing. Real solutions. No stress.
