Airbag light on

[ChrisTsangaris]

Hi everyone , I recently had my airbag light go on all of a sudden without any accidents occurring , it happened after I moved the passenger seat backwards,I took the car to a porsche mechanic but not at the dealership and got the following errors 

8057 was control module , read out fault memory 

c141 communication pcm 2.1 

8c09 rear left sensor faulty

8d09 rear right sensor faulty

8a09 front left sensor faulty

8b09 front right sensor faulty

 

they tried to say that it had to do with the ground of my aftermarket radio which I’ve had for 6 months with no errors

 

any ideas???

 

thanks 

[thomasshawn]

i'm sure you've tried this but been told that if you move the seat forward ~1 inch the light should go off. something about position tricks weight sensors

[ChrisTsangaris]

yup tried it initially the dash airbag light would go on and off and also the passenger airbag light would go and off , now it just stays permanently on