89661-0CA71 89663-0CA71 Denso Toyota Tundra (5.7 381hp) Original ECU File
About this file
This is the original ECU file 89661-0CA71 89663-0CA71 for Toyota Tundra 5.7 381hp: Denso, hardware (HW) 89661-0CA71, software (SW) 89663-0CA71. To buy it, use Quick buy below — €20 by card, no registration, a ready-to-use .bin file by e-mail — or buy it with a file-service account (register or log in and top up your balance). Also you can find all available options on our platform for emissions removal (DPF, EGR, AdBlue) or improving power with stage 1/2/3 or ECO tuning.
This is an original (stock) read of a Denso control unit. Our catalogue lists it for the Toyota Tundra 5.7 381hp.
Its numbers in the catalogue: hardware (HW) number 89661-0CA71, software (SW) number 89663-0CA71 and calibration number 30C60400.
One other file in our catalogue has the same pair of numbers (89661-0CA71 / 89663-0CA71); it differs from this one in the calibration. The versions list below links them: compare their numbers with your own read.
In our catalogue the hardware number 89661-0CA71 is on 3 files for 2 vehicles and the software number 89663-0CA71 is on 3 files for 1 vehicle.
What you receive
- The original (stock) read of this ECU, exactly as read — no modifications.
- A ready-to-use .bin file by e-mail — nothing to unpack or rename.
- The original read only — no full backups, EEPROM, SGO, VBF or other formats.
Before you order
- All sales are final. Check HW, SW and calibration against your own read before you buy.
- Different tools expect different file sizes when writing to the ECU — make sure the file suits your device.
- Not sure? Ask us on WhatsApp before buying.
File specifications
| Brand name and model | Toyota Tundra |
| Engine power | 5700 381HP |
| Engine code | 3UR-FE |
| ECU brand name | DENSO |
| ECU model name | — |
| ECU hardware | 89661-0CA71 |
| ECU software | 89663-0CA71 |
| ECU calibration | 30C60400 |
| ECU SW upgrade | — |
| Also written as | 896610CA71 · 89661 0CA71 · 896630CA71 · 89663 0CA71 |
2 files with these numbers
They share the hardware and software numbers; the calibration and the vehicle tell them apart. Compare them with your own read — this page is 30C60400.
- 30C60400Toyota Tundra 5.7 381hp · 3UR-FEthis page
- 30C71100Toyota Tundra 5.7 381hp · 3UR-FE
Get this original file — alone or with its WinOLS map pack
Quick buy
Pay by card — get a ready-to-use .bin file by e-mail
- No account, no sign-up — just your e-mail and a card
- A ready-to-use .bin file by e-mail — no unpacking needed
- 59 files delivered in the last 30 days to buyers in 30 countries
- Last 30 files arrived in 70 seconds (median, payment to e-mail). Some files are prepared by the supplier's operator first — normally within 24 hours
- Order number and a live order status page
- Your card is only charged when your file is ready — if we cannot provide the file, your card is not charged
- VISA
- Mastercard
- Apple Pay
- Google Pay
- No bonus, no tuning support
- All sales are final — check HW / SW before you buy
Original + map pack
The original .bin and its map pack (CSV) — for WinOLS and compatible software
- 48 tuning maps for this software version — Injection System, Air Control, Spark Advance, Limiters…
- X / Y axes labelled correctly, correct factors
- One ZIP by e-mail: .bin + .csv map pack
- Axes checked against this original: 92 of 92 read correctly
- No account, no sign-up — just your e-mail and a card
- VISA
- Mastercard
- Apple Pay
- Google Pay
- Map definitions only — no tuned file, no support
- All sales are final — check HW / SW before you buy
Buy with a file-service account
Requires registration on our file service fs.auto-remap.com
- Register on the file service fs.auto-remap.com
- Top up €40 — get €50 extra (€90 on your balance)
- Buy this file for €20 — €70 stays for more files or a tuning job
- The file appears in your file-service account
- Top up by PayPal or card
- Tuning services and engineer support on the same balance: Stage 1, DPF / EGR / AdBlue off and more
Maps in this map pack · 48
Open the map pack page →Loading…
WinOLS map pack for this file 48 maps
A WinOLS map export (CSV) made for this software version: tuning maps only, with correctly labelled X and Y axes and the correct factor for the data values — no maps for switching off emissions or errors. Maps by category:
For example: Injection at full load, Injection base map, Exhaust gas temperature, Requested engine load, Spark Advance base map, Spark advance correction factor f(ECT), Maximum speed of vehicle, RPM Limiter…
We modify this exact ECU for you
- Stage 1 / Stage 2 / ECO
- DPF / FAP OFF
- EGR OFF
- AdBlue / SCR OFF
- DTC OFF
- Speed limiter, Start&Stop and more
Over Ten Years
Of Experience
Auto-Remap.com is a professional chiptuning fileservice trusted by thousands of tuners worldwide. Reliable, fast, and backed by experts who care.
ENCORE-PERFORMANCE LTD · 85 Great Portland Street, First Floor, London, United Kingdom, W1W 7LT