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2nd Gen Ram Tech 1994-2001 Rams: This section is for TECHNICAL discussions only, that involve the 1994 through 2001 Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.

Fuel Pump/Auto Shutdown relay HELP!!!!

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  #1  
Old 04-20-2008, 11:50 PM
BlueonBlack01 BlueonBlack01 is offline
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Default Fuel Pump/Auto Shutdown relay HELP!!!!

I have an 01 Ram 1500 4x4 5.9L 126k miles. Today I ran out of gasand now It Will not start![:@] It is giving me 2 codes 1388 & 1389 "Auto Shutdown (ASD) Relay Control Circuit" and "No Auto Shutdown (ASD) Relay Output Voltage At PCM"I can clear the codes but as soon asI try and start it againthe codes come back up! Is the fuel pump bad??And What do these codes mean in simpler terms?

I just got the truck a week ago so I am not very famaliar w/ any of this yet.

Thanks
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Old 04-21-2008, 12:32 AM
rabbler rabbler is offline
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Default RE: Fuel Pump/Auto Shutdown relay HELP!!!!

In the under hood fuse box swap the ASD and horn relays.
See if the horn works

Check all the fuses under hood too

See if it starts
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Old 04-21-2008, 12:40 AM
BlueonBlack01 BlueonBlack01 is offline
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Default RE: Fuel Pump/Auto Shutdown relay HELP!!!!

I just tried that and the horn woked but it still wount start.[:@]All the fuses look fine.
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Old 04-21-2008, 12:44 AM
BlueonBlack01 BlueonBlack01 is offline
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Default RE: Fuel Pump/Auto Shutdown relay HELP!!!!

I have a Hypertech Max Energy program in it, Could that have any thing to do with this??
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Old 04-21-2008, 12:47 AM
BlueonBlack01 BlueonBlack01 is offline
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Default RE: Fuel Pump/Auto Shutdown relay HELP!!!!

Ok! I know I'm getting gas cause I checked the Fuel test port on the fuel rail.
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Old 08-23-2008, 02:28 PM
lolide lolide is offline
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Default 2000 Dodge Caravan

I have a problem how do I know if it is my started that is bad the auto shutdown relay lit up. I looked under the hood and the ac clutch relay was clicking so I took it out I had the battery completely charged and then I bought a new relay thinking that is what it was but then the ASD relay kept clicking then you could also hear the clicking in the fuel pump wire if someone is out there that can lead me in the right direction then let me know.
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Old 06-10-2009, 08:19 PM
yrevenge4 yrevenge4 is offline
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Default Fuel Pump/Auto Shutdown Relay

Actually I had the same problem a short while back. THe battery is good but your not getting a good ground to the computer. Clean the battery posts/connecters with a baking soda wash. If the problem pesitts check the ground wires to the computer and chasis replace them if the are giving any ohm reading at all.

If this doesn't work then I have no other idea's.
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Old 06-10-2009, 10:14 PM
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Default

you can check the asd and the fuel relays at the same time. put one finger on both and have someone turn the truck on, you should feel a click when they're turned on and they have a soft off so you won't feel them turn off. i believe they're only supposed to click once. i know it ain't a fix but its progress.
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Old 06-10-2009, 10:14 PM
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1388, 1500, 1995, asd, auto, caravan, circuit, clicking, dakota, dodge, fuel, fuse, grand, pressure, problems, ram, relay, shut, shutdown, test

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