A faulty control unit can bring entire vehicle systems to a standstill – often without warning. Revonik will repair your CPC4 Steuergerät Professional service, delivered in 2–4 working days, and up to 70% cheaper than buying new.
Common fault patterns
- No communication with the control unit possible
- Various CAN bus faults, either intermittent or persistent
- System failure or warning light remains on
- The vehicle won't start or cuts out whilst driving
- Further errors available on request
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.
