An illuminated engine warning light or an unexplained drop in performance can be alarming. In the UAE, a professional diagnostic scan is the fastest way to identify what is wrong with your car without expensive guesswork. This guide covers car diagnostic costs across Dubai, Abu Dhabi, Sharjah and all UAE emirates in 2026.
Car Diagnostics Cost Guide – UAE 2026
| Diagnostic Service | Estimated Cost (UAE) |
|---|---|
| Basic OBD-II Scan (engine codes only) | AED 50-150 |
| Multi-System Diagnostic (all modules) | AED 200-500 |
| Live Data Monitoring and Analysis | AED 200-400 |
| Airbag / SRS System Diagnostic | AED 150-350 |
| ADAS Calibration (after windscreen/sensor work) | AED 500-1,500 |
| Key Programming and Immobiliser | AED 300-800 |
| ECU Coding / Module Programming | AED 400-1,200 |
What Does a Car Diagnostic Check Cover?
A full diagnostic check reads data from all electronic control modules in your car:
- Engine (ECU/PCM): fuel trim, ignition, fuel injection, emissions
- Transmission (TCM): gear selection, torque converter, solenoids
- ABS and stability control: wheel speed sensors, brake pressure, traction control
- Airbag and SRS: crash sensors, seat belt tensioners, airbag status
- ADAS: lane-keep assist, adaptive cruise, parking sensors, collision warning
- Body control module: windows, central locking, lighting, climate control
OBD-II vs Manufacturer-Specific Diagnostics
Generic OBD-II scanners read universal engine codes (P-codes) but miss brand-specific systems. For European vehicles (BMW, Mercedes, Audi, VW, Porsche), manufacturer-specific tools are essential:
- BMW / Mini: ISTA diagnostic tool
- Mercedes-Benz: XENTRY / Star Diagnosis
- Audi / VW / Porsche / Skoda: VCDS or ODIS
- Land Rover / Jaguar: IDAS / SDD
Always ask your garage what diagnostic tool they use for your brand before booking. Generic tools miss up to 70% of fault codes on European vehicles.
Common Reasons for Engine Warning Lights in UAE
- Faulty oxygen / lambda sensor (very common in UAE due to fuel quality)
- Loose or missing fuel cap (most common and cheapest fix)
- Catalytic converter degradation from UAE heat and stop-start traffic
- Mass airflow sensor fouled by UAE desert dust
- EGR valve clogging from UAE city stop-start driving
- Low coolant or overheating sensors (especially in UAE summer)
Find a diagnostic specialist: car diagnostics in Dubai or diagnostics in Abu Dhabi.