please help!

05ram4186 · Nov 29, 2015

My 05 ram 1500 hemi broke down last Wednesday, it won't start up.... It won't even turn over.... It has a good strong battery and it won't give me any trouble codes.... I get an error message with the OBD2 scanner.... The fuel pump relay, computer/asd relay, and the transmission relay are clicking on and off.
Thank you in advance, Mike.

Rlaf75 · Nov 29, 2015

First off check your fuses, ALL fuses to make sure you dont have a bad one. Believe it or not the diagnosis connector won't function properly if a certain fuse is blown. When you turn the key to crank it does the engine turn over at all? Do the headlights work? If so do they dim or completely go dark when cranking? When you turn the key to crank the engine do you get a single click or multiple clicks?

SilverStreak88 · Nov 30, 2015

Also, cam you describe what type of breakdown you had? This will aid in finding out what's going on.

1500ram12 · Nov 30, 2015

Good chance it's the cam shaft position sensor. It seems to control a lot of other things. I had a 2000 jeep grand cherokee that one minute worked fine, shut it off to get gas then went to turn the key and nothing. Replaced the fuel pump, check just about every inch of wiring all the fuses. Had it towed to the dealer. They replaced the computer, nothing. Checked the cam shaft position sensor and that was the problem.

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JPT · Nov 30, 2015

1500ram12 said:
Good chance it's the cam shaft position sensor. It seems to control a lot of other things. I had a 2000 jeep grand cherokee that one minute worked fine, shut it off to get gas then went to turn the key and nothing. Replaced the fuel pump, check just about every inch of wiring all the fuses. Had it towed to the dealer. They replaced the computer, nothing. Checked the cam shaft position sensor and that was the problem.

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FYI... what a horrible dealer, they started with the computer????

I had my cam shaft position sensor and crank shaft position sensor just go on me a couple weeks ago. In my situation, the engine would turn over, but wouldn't start. It turned over strong, but just wouldn't start. The computer gave me a code for both these sensors. I was at my local grocery store. Eventually I was able to get it started, so I kept it running until I went home, read the codes, when to picked up the parts and got back home (these sensors will prevent a start, but usually if you are running you can keep going).

I went to advanced auto, got both, replaced them in just under an hour, and it has been fine since.

05ram4186 · Nov 30, 2015

Rlaf75 said:
First off check your fuses, ALL fuses to make sure you dont have a bad one. Believe it or not the diagnosis connector won't function properly if a certain fuse is blown. When you turn the key to crank it does the engine turn over at all? Do the headlights work? If so do they dim or completely go dark when cranking? When you turn the key to crank the engine do you get a single click or multiple clicks?

Yes all of the fuses are good all lights work no dimming when trying to start radio works motor does not turn over when key is turned all gauges are down battery gauge is all the way down...says I have no fuel on fuel gauge.sometimes after you sitting for 15-20 minutes with key on all the gauges come back to normal and truck will start

05ram4186 · Nov 30, 2015

SilverStreak88 said:
Also, cam you describe what type of breakdown you had? This will aid in finding out what's going on.

The truck just shut off like the key was turned into the off position

05ram4186 · Nov 30, 2015

Before it died all together I checked the fuel pressure and it was 60psi

Rlaf75 · Nov 30, 2015

Get a helper, a hammer and something to lay on. Get someone in the truck. Lay under the truck and have said helper turn the key like they're trying to start it. While they are holding the key in the start position try gently tapping the starter. If it starts then you need a starter. If not then start checking for power at the starter with a test light.

05ram4186 · Nov 30, 2015

Starter isn't the problem I can pull the starter relay out and turn the motor over with a jumper wire
Will not start with key on and using jumper wire

05ram4186 · Nov 30, 2015

Motor will not start with jumper wire turning the motor over.... (Key is on)

justin13703 · Nov 30, 2015

Have you done the crank and camshaft position sensors yet? They're relatively cheap and that's where I'd start. Specifically the crankshaft position sensor will definitely cause no start issues.

So just to clarify, the motor does or doesn't crank when you turn the key? If it doesn't crank with the key, it will be something other than the above. Those sensors will cause no-start issues, but not no-crank issues.

05ram4186 · Dec 1, 2015

It doesn't crank with key... When you turn the key to run the computer asd relay, fuel pump relay, and transmission relay are clicking

Rlaf75 · Dec 1, 2015

Try swapping relays just in case

05ram4186 · Dec 1, 2015

Rlaf75 said:
Try swapping relays just in case

I have done that too

Rlaf75 · Dec 1, 2015

Then I'd start checking the ignition switch.

05ram4186 · Dec 1, 2015

New ignition switch, New camshaft position sensor, new crankshaft position sensor.... Still nothing.... I talk to someone from the Dodge dealer and they suggested that it could be the totally integrated power module (fuse box)

cunningham76 · Feb 4, 2018

05ram4186 said:
New ignition switch, New camshaft position sensor, new crankshaft position sensor.... Still nothing.... I talk to someone from the Dodge dealer and they suggested that it could be the totally integrated power module (fuse box)

I know this is an old thread, but was wondering what was the resolution here. I am having the same problem with my 03 4.7

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please help!

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