📌 BENCH GPT & HARDWARE ARCHITECTURE · INFINEON TRICORE TC1796

Continental SIMOS PCR2.1 (VAG 1.6 TDI CAYA / CAYB / CAYC) — Bench GPT, Boot & Calibration Guide

Continental SIMOS PCR2.1 (VAG 1.6 TDI CAYA / CAYB / CAYC) is built on the Infineon Tricore TC1796 microcontroller (2 MB IntFlash + 25640 SPI EEPROM) and supports Bench Service Unlock (No Opening on KESS3/Flex/Autotuner/PCMflash 57) + OBD powered by a 13.6V Bench PSU. Modern tools perform PCR2.1 EEPROM OBD-write unlock via connector pinout without opening or resistor soldering! Upload 100% virgin 2 MB read for EGR, DPF & Stage 1.

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Hardware & Memory Specifications

Engineering Parameter	Verified Controller Specification
Controller & Platform	Continental SIMOS PCR2.1 (VAG 1.6 TDI CAYA / CAYB / CAYC)
Microcontroller (MCU)	`Infineon Tricore TC1796`
Non-Volatile Memory	`2 MB IntFlash + 25640 SPI EEPROM`
Connection / Programming Modes	Bench Service Unlock (No Opening on KESS3/Flex/Autotuner/PCMflash 57) + OBD
Recommended Bench Supply	13.6V Bench PSU (low-ripple regulated laboratory PSU)
Critical Workshop Protocol	Modern tools perform PCR2.1 EEPROM OBD-write unlock via connector pinout without opening or resistor soldering! Upload 100% virgin 2 MB read for EGR, DPF & Stage 1.

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ENGINEERING Q&A

Frequently Asked Technical Questions

What microcontroller and memory size does Continental SIMOS PCR2.1 (VAG 1.6 TDI CAYA / CAYB / CAYC) use?

Continental SIMOS PCR2.1 (VAG 1.6 TDI CAYA / CAYB / CAYC) uses the Infineon Tricore TC1796 processor with 2 MB IntFlash + 25640 SPI EEPROM.

How should Continental SIMOS PCR2.1 (VAG 1.6 TDI CAYA / CAYB / CAYC) be read on the bench?

Use Bench Service Unlock (No Opening on KESS3/Flex/Autotuner/PCMflash 57) + OBD with a 13.6V Bench PSU. Modern tools perform PCR2.1 EEPROM OBD-write unlock via connector pinout without opening or resistor soldering! Upload 100% virgin 2 MB read for EGR, DPF & Stage 1.