P2509 Code - TheDieselGarage.com
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post #1 of 5 (permalink) Old 11-28-2010, 05:01 PM Thread Starter
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P2509 Code

Just had this code show up for the first time: P2509
Description for it is: "ecm/pcm Power Input Signal Intermittent"
Had the electric charging idiot light show up at the same time then went away with the next start on its own.

I have 93,000 miles with no mods since have to live with Calif Smog checks. I cleared the code with my scanner. Is there anything I should look for or ignore it for now and see if it shows up again later Or have dealer look at it before the 100,000 mile warantee is up? Prolly have to have the code return before dealer could check it out.

Remember not to talk bad about farmers with your mouth full!
2013 6.7 CTD 2500, 800 ft-lbs torque, 4x4 crewcab Larmine Longhorn edition, 6 sp. auto, 2 tone white/gold
--07 6.7CTD 2500 4x4, Quad Cab, Big Horn Pkg. 3.73, airbags, 6sp auto, with Mag-Hytec deep pan.- sold but not forgotten.
--08 36' Jazz 5th wheel,triple slide, 12,000lbs
--28' 22,400# PJ goosneck beaver tail trailer
--95 & 96 5.9CTD 4x4 5sp. ext. cab. 33x12.50x16 front, 33x15.50x16 rear tires. R-1 tread, wheelbase shortened 30". Used as tugs on farm
--81 IH 1800, DT466 210hp, 10 speed,
--95 FL70, 8.3 cummins 275hp, 10speed
--79 GMC 7000, DD 6V53 210 hp, 6sp ally
-- A whole bunch farm equipment, all colors
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post #2 of 5 (permalink) Old 11-29-2010, 04:48 AM
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When my neighbor had his 07.5 it would do this ( lighting bolt) but no cel. All he had to do was shut the truck off and restart. As far as the code i would call your dealer and see what they say, it will/should come back if thers is an issue.

"Only accurate rifles are interesting" -Townsend Whelen

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6.7L 68RFE 4wd
Yeah its stock.
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post #3 of 5 (permalink) Old 11-29-2010, 04:43 PM Thread Starter
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I think I found the problem. This morning had a P0562 code show up, low voltage, and temp was 30* this am. Checked batteries and only 12.2 volts and tester indicated bad batteries. When running the alternator was show 15+ volts. These are still the orginal batteries.

Off to NAPA to get new ones.

Remember not to talk bad about farmers with your mouth full!
2013 6.7 CTD 2500, 800 ft-lbs torque, 4x4 crewcab Larmine Longhorn edition, 6 sp. auto, 2 tone white/gold
--07 6.7CTD 2500 4x4, Quad Cab, Big Horn Pkg. 3.73, airbags, 6sp auto, with Mag-Hytec deep pan.- sold but not forgotten.
--08 36' Jazz 5th wheel,triple slide, 12,000lbs
--28' 22,400# PJ goosneck beaver tail trailer
--95 & 96 5.9CTD 4x4 5sp. ext. cab. 33x12.50x16 front, 33x15.50x16 rear tires. R-1 tread, wheelbase shortened 30". Used as tugs on farm
--81 IH 1800, DT466 210hp, 10 speed,
--95 FL70, 8.3 cummins 275hp, 10speed
--79 GMC 7000, DD 6V53 210 hp, 6sp ally
-- A whole bunch farm equipment, all colors
singles club # 198
WALNUT MEMBER #11(workers aganist lazy non-producers united together)
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post #4 of 5 (permalink) Old 11-29-2010, 05:19 PM
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I think i need to do the same thing, mine are still factory batteries.

"Only accurate rifles are interesting" -Townsend Whelen

2012 Ram 2500 Crew Cab Big Horn
6.7L 68RFE 4wd
Yeah its stock.
Edge Insight CTS / Line-X / Access Bed Cover
B&W Turnover Ball / Companion Hitch
Pac Brake Air Bags
On Board Air


2010 John Deere 2305
2010 Jeep Wrangler JK Unlimited Rubicon/ Tuned with some toys.
2015 Keystone Impact 311 Toyhauler






9-11-2001 NEVER FORGET
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post #5 of 5 (permalink) Old 11-29-2010, 06:38 PM Thread Starter
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New Batteries, cleared codes and all is good now

Remember not to talk bad about farmers with your mouth full!
2013 6.7 CTD 2500, 800 ft-lbs torque, 4x4 crewcab Larmine Longhorn edition, 6 sp. auto, 2 tone white/gold
--07 6.7CTD 2500 4x4, Quad Cab, Big Horn Pkg. 3.73, airbags, 6sp auto, with Mag-Hytec deep pan.- sold but not forgotten.
--08 36' Jazz 5th wheel,triple slide, 12,000lbs
--28' 22,400# PJ goosneck beaver tail trailer
--95 & 96 5.9CTD 4x4 5sp. ext. cab. 33x12.50x16 front, 33x15.50x16 rear tires. R-1 tread, wheelbase shortened 30". Used as tugs on farm
--81 IH 1800, DT466 210hp, 10 speed,
--95 FL70, 8.3 cummins 275hp, 10speed
--79 GMC 7000, DD 6V53 210 hp, 6sp ally
-- A whole bunch farm equipment, all colors
singles club # 198
WALNUT MEMBER #11(workers aganist lazy non-producers united together)
Dodgefarmer is offline  
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