Volvo S40 SRS Airbag error CFFF or 53247 internal error. Fault finding and repair.

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Hi

This car came to me with the airbag light on...
When scanned, the SRS or Airbag module had the trouble code CFFF "Control module internal fault"... Some scan tools report it as error "53247 Unknown error".
However I had an idea of what needed to be done to resolve it, it to me a bit longer than expected... but got there in the end, as explained at the end of the video...
Follow me on this video to find out what was the problem and how to resolve it.

Flux used: NC-559-ASM-UV
https://rover.ebay.com/rover/1/710-53481-19255-0/1?icep_id=114&ipn=icep&toolid=20004&campid=5338343363&mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fitm%2FNC-559-ASM-UV-TPF-Flux-Anti-wet-100g-AMTECH-BGA-Rework-Reballing-Flux-Paste-New%2F331918445854%3Fhash%3Ditem4d47e18d1e%253Ag%253ASxMAAOSwM4xXakjw%26LH_PrefLoc%3D1%26_sacat%3D0%26_nkw%3D%2BAMTECH%2BNC-559-ASM-UV%26_from%3DR40%26rt%3Dnc

To clean: Isopropyl Alcohol
https://rover.ebay.com/rover/1/710-53481-19255-0/1?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fitm%2FIPA-99-9-1-LITRE-Lab-Grade-Isopropyl-Alcohol-Isopropanol-1L%2F183965887641%3Fhash%3Ditem2ad538ac99%3Ag%3AYNMAAOSw3FNdh1yc&campid=5338344466&toolid=20008

Soldering Iron: Temperature controlled soldering station.
https://rover.ebay.com/rover/1/710-53481-19255-0/1?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fitm%2FYihua-939D-Digital-pro-Soldering-Station-75W-Pid-Regler-3-Schnellwahltasten%2F163723503874%3Fhash%3Ditem261eae6902%3Ag%3A-SwAAOSwBU1alE57&campid=5338344466&toolid=20008

Hot Air Gun Station:
https://rover.ebay.com/rover/1/710-53481-19255-0/1?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fitm%2FYIHUA-858D-Hot-Air-Gun-Solder-Station-Industrial-220V-Welding-iron-Repair-Tools%2F283629240596%3Fhash%3Ditem42099ec114%3Ag%3AC2cAAOSwQ8ZdZVPI&campid=5338344466&toolid=20008

Desoldering Vaccum Station:
https://rover.ebay.com/rover/1/710-53481-19255-0/1?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fitm%2FPro-Desoldering-Station-Vacuum-Removal-Iron-Gun-ZD-915-230V-140W-Soldering-SMD%2F352448817980%3Fepid%3D9005522184%26hash%3Ditem520f962b3c%3Ag%3AJnQAAOSwuMRbgc~e&campid=5338344466&toolid=20008
Hope you enjoy the video.
Any questions or comments put them below.
Like always, thank you for watching!

Видео Volvo S40 SRS Airbag error CFFF or 53247 internal error. Fault finding and repair. канала LM Auto Repairs