Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Ignitions and Electrical› Computers, Chips, Modules and Programmers
KTuner
Flash V2 Touch ECU Tuner
SKU: KT-V2-HON
Professional / shop required
Overview
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Vehicle Symptoms
- Sluggish acceleration from a stop
- Poor throttle response during highway merging
- Unstable idle after cold start
- Check engine light intermittent
- Lack of power under heavy load
Diagnostic Codes
- P0300 – Random or multiple cylinder misfire Det
- P0420 – Cat Sys Efficiency Below Threshold (B1)
- P0171 – FT Malf (B1)
Relevant Conversations
- KTuner Flash V2 Touch vs Hondata FlashPro comparison
- Honda Civic sluggish acceleration after CAI install
- P0300 random misfire on tuned Honda
- How to disable P0420 with KTuner
- KTuner starter maps 16.5 vs 18 vs 21 psi
- Best tuning package for 2017 Civic Si
- KTuner Flash V2 install time and difficulty
- Improve throttle response Honda Accord 2.0T
- Need tune after downpipe and intercooler upgrade
- KTuner Flash V2 used for P0171 lean condition fix
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | KTuner |
| Part Number | KT-V2-HON |
| Category | Ignitions and Electrical |
Videos
KTunerFlash V2 Touch Setup Tutorial
KTuner V2 Install - 2018 Honda Accord 2.0T / 10AT (Part 1)
Ktuner V2 or JB4 for your Honda/Acura?
Ktuner V2 Install + TSP Stage 1 Review
RSX Type-S Ktuner Install | Flashing Basemaps & 2-Step Ignition Cut Fun!
Tuning the FIRST 2025 Honda Civic Si with KTuner!!
Ktuner V2 Basic 2-Step (8th Gen Civic Si)
Ktuner V2 Install | Driving the Si #5
Flashing Back To STOCK! No More Ktuner
Tune Your Honda Civic Si with KTuner (Step-by-Step Guide)
Ktuner v1.2 and v2.. Which One Should You Buy? | The BASICS
KTUNER V2 INSTALL FOR 10TH GEN CIVIC | 0-60 Times
How-To: KTUNER V2 Display - LED Light Setup // (2018+) 10th Gen Honda Accord
The Moddism Si Gets FASTER!! + KTuner V2 Installation Tutorial || 10th Gen Civic Si
KTuner V2.0 Installation Guide - 10th Gen & 11th Gen Civic, 5th Gen Integra
KTUNER STAGE 2 - 0-60mph Testing!!! // 10th Gen (2018+) Honda Accord
KTunerFlash V2 Announcement
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Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
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