Toyota Diesel ECU Recap service.
Toyota Diesel ECU Recap service.
ECU Recap & Repair Service – Toyota 1KZ-TE
Toyota HiAce, Regius, Grand HiAce, Hilux Surf & Other 1KZ-TE Applications
Ship us your ECU. We recap, inspect and test it, then ship it back to you — typically within one week of receiving it.
Aging electrolytic capacitors are a known problem in a number of Toyota 1KZ-TE engine control units. Over time, capacitors can deteriorate or leak electrolyte onto the circuit board, potentially causing corrosion, damaged circuit traces and a variety of engine or transmission-related symptoms.
Rather than trying to locate another used ECU of the same age, we offer a professional ECU recap and inspection service for supported Toyota 1KZ-TE ECUs.
What We Do
Your original ECU is carefully opened and inspected by a Red Seal electrician experienced in electronic circuit-board repair.
Our service includes:
- Replacement of aging electrolytic capacitors
- Inspection for leaking or damaged capacitors
- Inspection of the PCB for corrosion and electrolyte damage
- Cleaning of affected areas
- Inspection of solder joints and circuit traces
- Repair of damaged traces where repairable
- Inspection for visibly damaged electronic components
- Bench testing after service
- Reassembly of your original ECU
Supported Applications
This service is primarily intended for Toyota 1KZ-TE diesel ECUs, including many applications found in:
Toyota HiAce H100
- KZH100
- KZH106
- KZH116
- Other compatible 1KZ-TE H100 models
Other Toyota 1KZ-TE Vehicles
- Toyota Regius
- Toyota Grand HiAce
- Toyota Hilux Surf / 4Runner
- Other 1KZ-TE applications using a compatible ECU
Because Toyota used numerous ECU versions and part numbers, please contact us with a photo of your ECU label before shipping it.
Common Symptoms
A failing ECU or leaking capacitors may contribute to symptoms such as:
- Hard starting
- Intermittent starting problems
- Rough or inconsistent running
- Glow plug light problems
- Check-engine light issues
- Spill valve control faults
- Intermittent engine operation
- Automatic transmission shifting or overdrive problems
- Unexplained intermittent electrical or engine-management issues
These symptoms can also be caused by other vehicle problems. An ECU recap should not be considered a guaranteed repair for every drivability issue.
How It Works
1. Contact HiYota
Send us:
- Vehicle year
- Vehicle model
- Engine code
- ECU part number
- Clear photo of the ECU label
- Description of the problem
2. Ship Your ECU to Us
Remove your original ECU and ship it to HiYota Parts in Vancouver, Canada.
3. Inspection & Recap
We open the ECU, inspect the circuit boards, replace the applicable aging electrolytic capacitors, clean the board and repair minor capacitor-related circuit damage where possible.
4. Testing
The ECU is inspected and bench tested following the recap service.
5. Return Shipping
Your original ECU is reassembled and shipped back to you.
Typical Turnaround
Approximately one week from the date we receive your ECU.
Shipping time to and from HiYota is additional.
Important
This is a recap, inspection and electronic repair service for your original ECU. It is not an ECU exchange.
While many age-related ECU problems can be repaired, not every ECU is repairable. Severe corrosion, failed processors, damaged integrated circuits, previous improper repairs, water damage or other major board damage may prevent successful repair.
If we discover significant damage beyond the normal recap service, we will contact you before proceeding with additional repairs.
Recapping an ECU is preventative and restorative electronic service, but it does not guarantee that an existing vehicle problem is being caused by the ECU.
Not Sure If We Can Service Your ECU?
Email us a clear photo of the ECU label.
We’ll confirm compatibility before you ship it.
Worldwide service available — ship your ECU to HiYota Parts in Vancouver, Canada, and we’ll service it and send it back to you.
Toyota 1KZ-TE ECU Recap & Repair Service | HiAce H100 / Hilux Surf / Regius

FAQs
What types of parts do you offer?
We offer a wide range of genuine OEM and aftermarket parts for Toyota and other vehicles, including engine components, brake parts, transmission parts, suspension, exhaust systems, interior accessories, and more. Whether you're looking for maintenance items or specific replacement parts, we have what you need.
How do I find the right part for my model?
You can search by your vehicle's year, model, and trim level on our website to find parts that are compatible with your car. We also offer assistance if you have any questions; simply contact us with your VIN, and we’ll help ensure you get the correct part for any vehicle!
Can I return a part if it doesn't fit my car?
Due to the nature of these complex parts we have a "final sale" policy on all items. However, we do take into account every returns request on a case-by-case basis. In order to avoid incorrect purchases, we recommend double-checking your vehicle information or contacting us for assistance before ordering. Returned parts must be in new, unused condition, and restocking fees may apply for certain items.
Do you provide installation instructions for your parts?
Some parts come with installation instructions; however, not all do. For complex installations, we recommend having the parts installed by a professional mechanic. Feel free to contact us if you have any questions about a specific installation.
How do I know if a part is in stock?
Each product page indicates the availability status of the part. If a part is out of stock, you can sign up for an email notification to be alerted when it’s back in stock, or contact us for an estimated restock date.
What Our Customers Are Saying About Us
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Incredible! HiYota found the OEM rotors for my rare Toyota; the exact brake parts I needed for my van. Delivered to my door within a week. Will definitely be ordering again.
PatricPerfect fit and fast shipping! -
I had a few questions before placing my order, so I reached out to customer service. They were super helpful, even asked for my VIN to ensure I was ordering the right parts. My new headlights arrived quickly, and the quality is fantastic. Highly recommend!
Rachel S.Great customer service and quality parts! -
After comparing prices at local stores, I decided to try this shop for some replacement parts for my Toyota RAV4. The parts were way more affordable, and the quality was just as good. The customer support team even followed up to make sure I received my order!Andrew L.Affordable and reliable!
Toyota Diesel ECU Recap service.