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?

Donna Elliott

Asked by Donna 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

Tom Demyan

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

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Donna Elliott

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

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