A faulty engine control unit rarely has a single cause: engine failure, emergency running mode, no communication via OBD – the diagnosis is complex. Revonik will repair your MCM2 control unit At PCB level, within 2–4 working days and up to 70 % cheaper than buying new from the manufacturer.
Common fault patterns
- The engine won’t start or cuts out whilst driving
- Engine warning light (MIL) remains on
- Unable to communicate with the diagnostic tester
- The vehicle is operating in emergency mode with reduced power
- Rough idling, stalling or increased fuel consumption
Why Revonik?
Our technicians have been repairing control units for over 12 years – at circuit board level, not simply by replacing them. Your original unit is retained, the vehicle-specific coding is saved, and there is no need to have it reprogrammed at the dealership.
- Up to 70 % cheaper than buying new from the manufacturer
- Plug & Play – fit it straight away, drive straight away
- Repair within 2–4 working days of receipt of the device
- 24-month warranty on the repair work
Frequently Asked Questions
Does the device need to be reprogrammed after repair?
In most cases, no. The vehicle-specific coding remains fully intact following our repair. Should recoding be necessary in any individual case, we will inform you in advance.
What happens if the device cannot be repaired?
We will inform you of the diagnosis and, in this case, will only charge the standard diagnostic fee of €69.00 (including VAT). The device will be returned to you on request.
How long will the repair take?
Standard repairs take 2–4 working days from receipt of the device. An express service is available on request.
