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-   -   Psm, abs, and brake fluid lights on (http://986forum.com/forums/showthread.php?t=81966)

blvsmith 01-14-2022 06:59 AM

Psm, abs, and brake fluid lights on
 
My car died on me the other day. Turns out my battery was bad so I replaced it. I still had a bunch of lights on the dash including the battery light. I replaced the alternator yesterday and now the PSM, ABS, and brake fluid lights are still staying on. What is causing this? Any help is greatly appreciated

JFP in PA 01-14-2022 08:38 AM

Without a scan for codes, anything would be a guess.................

blvsmith 01-14-2022 01:44 PM

I had a reader on it today and it is not showing any codes

JFP in PA 01-14-2022 02:19 PM

Quote:

Originally Posted by blvsmith (Post 644336)
I had a reader on it today and it is not showing any codes

You need a Porsche specific diagnostic tool..............

78F350 01-14-2022 06:01 PM

The PSM and ABS are sensitive to low voltage. The bad battery probably triggered the faults.
For quick troubleshooting I often search with a few key words related to the problem and add, "JFP in PA" in to help filter results.

PSM ABS warning light on 996 turbo. - Pelican Parts Forums

http://986forum.com/forums/boxster-general-discussions/38618-psm-question.html

Gilles 01-15-2022 08:28 AM

Usually the PMS and ABS lights turn off by themselves after you drive the car for a while, it seems that the car computer needs to verify first that everything is working properly..

Starter986 01-16-2022 03:33 AM

Brake fluid light? What am I missing, here?

blvsmith 01-17-2022 02:55 AM

Quote:

Originally Posted by Gilles (Post 644356)
Usually the PMS and ABS lights turn off by themselves after you drive the car for a while, it seems that the car computer needs to verify first that everything is working properly..

Great info thank you I'll do some driving this week!

bcrdukes 01-17-2022 01:09 PM

In addition to driving your car, it would be wise to connect your battery to a charger as not to stress your new alternator. Trickle chargers are a small investment and go a long way.

blvsmith 01-18-2022 04:48 AM

Quote:

Originally Posted by bcrdukes (Post 644385)
In addition to driving your car, it would be wise to connect your battery to a charger as not to stress your new alternator. Trickle chargers are a small investment and go a long way.

Ok good idea I will

JayG 01-18-2022 06:01 AM

Quote:

Originally Posted by Starter986 (Post 644370)
Brake fluid light? What am I missing, here?

Yup. There is a sensor in the fluid tank to monitor fluid level


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