📌 BENCH GPT & HARDWARE ARCHITECTURE · TRICORE TC1762 (ME17) / SPC58 (MG1CA920)

Bosch MG1CA920 & ME17.8.5 (BRP Sea-Doo Rotax 130 / 170 / 230 / 300 / 325) — Bench GPT, Boot & Calibration Guide

Bosch MG1CA920 & ME17.8.5 (BRP Sea-Doo Rotax 130 / 170 / 230 / 300 / 325) is built on the Tricore TC1762 (ME17) / SPC58 (MG1CA920) microcontroller (1.5 MB / 8 MB IntFlash + EEPROM) and supports Direct Marine Molex Bench Harness powered by a 13.6V Bench PSU. Zero-cut direct connector marine bench readout for Sea-Doo Spark, GTI, GTX, RXP-X & RXT-X Stage 1/2, RPM & GPS Speed Limiter unlock.

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Hardware & Memory Specifications

Engineering Parameter	Verified Controller Specification
Controller & Platform	Bosch MG1CA920 & ME17.8.5 (BRP Sea-Doo Rotax 130 / 170 / 230 / 300 / 325)
Microcontroller (MCU)	`Tricore TC1762 (ME17) / SPC58 (MG1CA920)`
Non-Volatile Memory	`1.5 MB / 8 MB IntFlash + EEPROM`
Connection / Programming Modes	Direct Marine Molex Bench Harness
Recommended Bench Supply	13.6V Bench PSU (low-ripple regulated laboratory PSU)
Critical Workshop Protocol	Zero-cut direct connector marine bench readout for Sea-Doo Spark, GTI, GTX, RXP-X & RXT-X Stage 1/2, RPM & GPS Speed Limiter unlock.

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ENGINEERING Q&A

Frequently Asked Technical Questions

What microcontroller and memory size does Bosch MG1CA920 & ME17.8.5 (BRP Sea-Doo Rotax 130 / 170 / 230 / 300 / 325) use?

Bosch MG1CA920 & ME17.8.5 (BRP Sea-Doo Rotax 130 / 170 / 230 / 300 / 325) uses the Tricore TC1762 (ME17) / SPC58 (MG1CA920) processor with 1.5 MB / 8 MB IntFlash + EEPROM.

How should Bosch MG1CA920 & ME17.8.5 (BRP Sea-Doo Rotax 130 / 170 / 230 / 300 / 325) be read on the bench?

Use Direct Marine Molex Bench Harness with a 13.6V Bench PSU. Zero-cut direct connector marine bench readout for Sea-Doo Spark, GTI, GTX, RXP-X & RXT-X Stage 1/2, RPM & GPS Speed Limiter unlock.