Problem:
Any known problem with Simos PCR 2.1 (2013 Passat 1.6tdi). GR delete + stage 1. Read and write with foxflash via OBD ok, but car won’t start.
Solution:
Ecu LOCKED! It needs to be Unlocked first. Then write modified file.
Eeprom and flash is locked.
ECU locked by flash – you can unlock via OBD
ECU locked by EEPROM – you need to unlock in bench mode.
You can write flash on bench without unlocking.
You don’t need to unlock flash or eeprom if you read and write in bench mode.
Checksum issue with some version need do manual by winols.
CHKS ISSUE MAKE CKS BY WINOLS AND DONT LET TOOL MAKE CHKS HAPPING TO ME MORE THAN 2 TIMES.
You can unlock by flash and do winols 2.24 checksum if still tool don’t want do it.
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