8hp-teensy-flasher
This is a recipe for using a Teensy4.1 to read/write on your Ram 1500 8HP70 TCU (Gen 1)
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GITHUB · launched Oct 30, 2026 · 17 upvotes (top 72%) · 0 views
Niche: embedded systems and firmware utilities · 239 launches, 14 in the last 7 days ▼ -55% · Explore this niche →
Category and tags
- Hardware & robotics
- Prosumer
- Not AI
- Hobby / open-source project
- 8hp70
- sh7254r
- tcu-flasher
- teensy41
- zf-8hp
Visit website ↗ Source listing ↗
Could you build this?
No Reading and writing a Ram 1500 8HP70 transmission control unit requires automotive diagnostic protocols, ECU memory maps, and security access, plus physical hardware.
What it would actually take: A real version needs a Teensy 4.1 wired to the TCU's CAN or diagnostic interface, with firmware that speaks the ECU's UDS or proprietary protocol. The builder must reverse engineer memory layouts and security-seed/key algorithms, then validate writes on real hardware to avoid bricking the module. This requires automotive embedded and reverse-engineering expertise and access to vehicles.
Competitors
Other products that read as similar to this one : 30 launches clear the similarity bar, closest 8 shown.
Attention rank: #22 of 31 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 326 days after the earliest competitor.
- afzoon · github · 2026-09-22 · 8 upvotes · similarity 0.39
- Running 104GB Qwen3.8-Flash-Next on 48GB Mac with at ~12 tok/s · hn · 2026-09-01 · 240 upvotes · similarity 0.38
- glyd-condor · github · 2026-10-14 · 29 upvotes · similarity 0.38
- Fine-tune an 8B model on a 4 GB laptop GPU · hn · 2026-08-04 · 139 upvotes · similarity 0.36
- TruckReboot · ph · 2026-10-16 · 1 upvotes · similarity 0.36
- lean-qwenflash · github · 2026-10-24 · 48 upvotes · similarity 0.35
- collabosm · github · 2026-09-25 · 90 upvotes · similarity 0.35
- qwen38-flash-next-w4a16-cmp170hx · github · 2026-09-16 · 10 upvotes · similarity 0.35
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