p2509 code
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From: NM
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From: McKinney, TX
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Joined: Mar 2005
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From: Utah
P2509-POWERDOWN DATA LOST ERROR
WHEN MONITORED
Continuous - key on or key off.
SET CONDITION
Loss of voltage detected at the ECM for a calibrated amount of time.
POSSIBLE CAUSES
Have you been unhooking your battery's or playing around with an install of something????
WHEN MONITORED
Continuous - key on or key off.
SET CONDITION
Loss of voltage detected at the ECM for a calibrated amount of time.
POSSIBLE CAUSES
- Poor connections at the batteries
- Low battery voltage
- Open fused B+ to ECM
- Open ground circuit
- Battery + shorted to other circuits
- Return circuit shorted
- Battery + shorted to ground
- Intermittent condition
Have you been unhooking your battery's or playing around with an install of something????
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Joined: Dec 2006
Posts: 161
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From: alabama
Sorry, Ive been out of town, and this thread was started by my wife for me when the check eng light came on. I got off work and started my truck and it came on. It only stayed on one day. I havent done anything oter than normal driveing................. who knows
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