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996 Turbo ABS and PSM warning - battery?


mat59

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Hi guys,

 

My 2001 996 Turbo (ROW) has not been used a great deal over the hot summer we have here in Dubai. Went to start it the other day and the ignition turnover sounded a little weak. Went for a 30 min drive and parked up. Ten mins later I went to restart the car and got the two warnings - ABS and PSM. Suspected the battery straight away so checked it with a multimeter. It's reading 12.1 at rest which is very low. So, I need a new battery.

 

Just to be sure I took the battery out of the 996 and thought I'd start the car with the brand new battery I'd just bought for my Subaru BRZ, which is a lower spec battery.  Car started fine but the ABS and PSM warnings remain. I didn't drive the car, just started it on the driveway.

 

Will these warnings need to be reset or should they go away after a while with a new 996 turbo spec battery? I realise it could just be a coincidence and I have another issue relating to the warning in addition to my weak battery.

 

Any thoughts welcome!

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29 minutes ago, mat59 said:

Thanks, but my alternator was replaced less than 3k miles ago. Sorry, should've said!

 

Doesn't matter if it was changed 3 miles ago, it still needs to be tested.  A lot of problems like this are traced to the alternator rather than the battery.

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