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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHCan't turn off PSM - problem or user error?
Leading reported evidence
Replace switch and all was well
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
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0
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1
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Leading evidence: 'Replace switch and all was well' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check when' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion · Original poster
I wish I knew enough to look for that yesterday when I did the test drive.
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I asked this question in my thread about a car I'm buying but didn't get an answer. I also searched the forums. I drove the car, '04 C4S, yesterday. The PPI is getting done today. Anyway, neither I nor the dealer could turn off PSM. I pushed the button while moving and while stopped but the indicator light never came on. I tried holding the button down for a few seconds but nothing. The mechanics's first question was about any other indicator lights being on. There weren't. He said that the PSM and ABS are interconnected so if the PSM had a failure it might show up. He's going to look into it later today. I definitely won't buy a car with unresolved electrical gremlins.
Any suggestions? Maybe there's more to it then simply pushing the button?
Thanks
Dave
Nope, you just press the button/switch on the horsehoe dash trim and PSM turns off. A light goes on on the switch, and an indicator lights up on the dashboard.
Any chance it is something simple like the switch isn�t pluggged into the harness?
How about on start-up - do your lights works like this?
The warning light in the instrument panel
lights up in combination with the indicator light
in the rocker switch for a lamp check when
the ignition is switched on.
- In combination with the indicator light in the
rocker switch, the light indicates that PSM is
switched off.
Great question. I wish I knew enough to look for that yesterday when I did the test drive. I don't know the answer. Hopefully the mechanic doing the pre-purchase inspection will figure it out today.
Dave
I had the same issue with the PSM switch on my '02 Boxster S.
Does the switch actually toggle? (Can you feel the "click" of the switch?)
Mine was simply a bad switch - internal to the switch was bad.
Replaced the switch and all was well.
