SRS-CFFF Very common fault for Volvo P1 cars (C30 / S40II / V50 / C70). Official way how to fix this eeror is replace the SRS unit by Volvo dealer for approx 800,- Eur. VDASH can fix this error via OBD without any harm of airbag system (all will work like if you replace the ECU). This fault usually happen when the car battery is low / damaged or if the charging system has some fault (check alternator / contacts).   How to fix this SRS-CFFF fault? 1/ connect your car with VDASH 2/ on the diagnostic screen sellect button SRS-CFFF fix 3/ load the software  The whole process…

After performing engine optimization, the following errors are 95% likely to occur, which are only visible after loading any diagnostics. These are engine unit software checksum - ECM. The original checksum of the engine unit is stored in the memory of the central vehicle module - CEM. At start-up, this unit checksum is compared with the current motor unit checksum, which concludes that this sum is not the same. Subsequently, both the motor unit and the central module declare an error that the software is "not compatible". These errors have no effect on the function of…