I have a 1992 lincoln Town Car and the code I got from O'Riely's Auto Parts is P2509, it said ECM supply voltage low. can someone tell me what thia means?

Asked by Sep 14, 2012 at 09:55 PM about the 1992 Lincoln Town Car

Question type: Maintenance & Repair

What does the code P2509 mean, it says ECM supply voltage low?

2 Answers


Poor connections to the battery, so check your battery cables, and or a bad ground.

1 of 1 people found this helpful.
Best Answer Mark helpful

thank you Tom for your help, I had my nephew work on the battery so hopefully it will help.

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Lincoln Town Car Experts

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    Tom Demyan
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    Tracy Hooks
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