Find the fault.
Choose the right repair.
Assessment of suspected engine control-unit failure, with repair, software recovery or replacement-data transfer chosen around the actual fault.
Identify the route before the repair.
Prove the unit is at fault
Vehicle power supplies, grounds, sensor circuits and network faults can imitate ECU failure. Share diagnostic findings so the assessment starts in the right place.
Assess the recovery options
We review the unit’s condition, communication and accessible data. Repair feasibility depends on the damaged components and the extent of corrosion or electrical damage.
Repair or take a replacement route
If repair is unsuitable, we can assess supported data recovery and cloning into a compatible donor. Any extra work is quoted before it starts.
Is this the right service?
- Intermittent or absent ECU communication
- Suspected internal 5V reference or supply fault
- Water ingress or connector corrosion
- Damage following an electrical event
Make the first message useful.
- Full diagnostic report where available
- Original ECU label and connector photographs
- Supply, ground and wiring checks already completed
- Details of water ingress or previous repairs
Know what the job covers.
An ECU repair is not a cure for an unresolved wiring short, water leak or incorrect supply. The underlying vehicle fault must be corrected before refitting a repaired or replacement controller.
What owners ask.
Do you repair every failed ECU?
No. We assess the failure and explain whether repair, data recovery or replacement is the practical route. Some units are beyond repair.
Should I buy a replacement straight away?
Contact us first. A suitable donor may help, but a similar housing or connector does not establish compatibility.
Can you check a 5V reference fault?
We can assess suspected internal faults. External sensor or loom shorts must also be investigated because they can pull down a healthy ECU’s reference supply.
Evidence, electronic work and vehicle checks.
Understand the agreed assessment or replacement route, then coordinate the required installation work.
Scope the complete job.
Begin with the fault evidence
A supply, sensor, ground or network problem can resemble an internal controller failure. Tell us which tests the garage has completed and what changed during the fault. For an intermittent symptom, the failure-state report is useful even if the car now starts. A single fault-code description does not normally establish that a controller should be repaired.
Repair feasibility and data recoverability are separate
A unit that cannot be economically repaired may still allow supported original-data recovery, while a unit with visible damage may contain unusable information. The extent and location of the failure affect the options. We discuss the assessment and any subsequent repair or replacement-data scope before additional work is carried out.
Correct the cause before the controller returns
Explain whether the original failure followed water ingress, incorrect supply, loom damage or a programming event. Your installer must deal with the underlying vehicle condition. Refitting a repaired unit into an unresolved short or leak can leave the repair incomplete. Ask what bench checks are included and which operating checks remain on the vehicle.
Let’s check your vehicle.
Send the registration, postcode and details of the work you need.