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Dodge Ram Warning Lights and Trouble Codes

196 messages,  Last post on Oct 13, 2009 at 2:18 PM

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What is this discussion about? Dodge Ram Pickup 1500, Dodge Ram Pickup 3500, Dodge Ram Pickup 1500 SRT-10, Truck

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#177 of 196 Error Code P0501 Speed Sensor by rerobi Aug 17, 2009 (5:55 pm)
#178 of 196 Error Code P0501 Speed Sensor by rerobi Aug 17, 2009 (5:55 pm)
I've got a 2004 RAM 2500 4X4. Auto Zone was kind enought to plug in and let me know why my Brake Light, ABS and Check Engine light was on. In addition, my AC button light will not illuminate, nor will my mirror defrosters. His little gadget told me I had a P0501 code and after he checked his system for a part, he indicated he didn't have the one called out for a vehicle Speed Sensor - and that I need to get it from the dealer. However, he did have the Transmission speed sensor for like $16, but not the "vehicle speed sensor". Does this make sense that there are two different speed sensors? Anyone else run into this? Where would the vehicle speed sensor be located? Thanks for any help! Replies to this message: bulldog77 (Aug 23, 2009 4:22 pm)
#179 of 196 Re: Error Code P0501 Speed Sensor [rerobi] by bulldog77 Aug 23, 2009 (4:22 pm)
Replying to: rerobi (Aug 17, 2009 5:55 pm) rerobi,   Try this post - #833 of 1168 Re: no speedomiter [orman] by dustyk, in the "Dodge Ram Transmission Problems" thread. It's on page 43 of 59 I believe. It may help. They may be referring to the rear wheel speed sensor.   Martin
#180 of 196 Codes and no (bus) Codes by bulldog77 Aug 23, 2009 (4:34 pm)
I'm a new member. I have 2001 Dodge Ram 2500 w/ the Cummins diesel. A couple weeks ago, I got a "no bus" message on my odometer, and all my instruments stopped working. The low fuel, ABS, check engine, and airbag lights also came on. On the overhead display, all readings showed "CCd", except for the elapsed time. The truck still started and ran fine, but the warning lights listed above would come back on shortly after starting each time.   Last week, I checked all the wiring connections in the fuse box under the hood, and the wiring connections between there and under the dash. The only thing I found was that the largest of the plugs, toward the drivers door under the dash, had come loose from its "mounting bracket", so I put it back in the bracket.    The next day, all but the check engine light went off and the gauges started working again. Then, the day after that, the check engine light went off. All seemed fine until yesterday, when a couple of hours into a trip, all the lights came on again and all the gauges went to zero.   The truck still runs fine and the cruise control even still works, but I'm getting no "data" from the truck. I've read through several other posts, including the one on Engine codes and transmission problems, but can find very little info on the "no bus" message. Anyone have any ideas? DustyK are you still out there?   Thanks, Martin     Thanks, Martin Replies to this message: kcram (Aug 23, 2009 5:12 pm) bulldog77 (Aug 24, 2009 7:32 pm) kcram (Aug 25, 2009 6:18 pm)
#181 of 196 Re: Codes and no (bus) Codes [bulldog77] by kcram HOST Aug 23, 2009 (5:12 pm)
Replying to: bulldog77 (Aug 23, 2009 4:34 pm) "No bus" means your dashboard has lost connection with the computer. The truck will continue to run because it doesn't require the dashboard to do so, and the computer is maintaining info such as mph and odometer in its memory.   This was a common occurrence on Rams of that timeframe... a trip to the dealer will cure it.   kcram - Pickups/Wagons Host Replies to this message: bulldog77 (Aug 24, 2009 7:32 pm) kcram (Aug 25, 2009 6:18 pm)
#182 of 196 Re: Codes and no (bus) Codes [kcram] by bulldog77 Aug 24, 2009 (7:32 pm)
Replying to: kcram (Aug 23, 2009 5:12 pm) kcram,    Thanks for the response. Any idea if it may be something I can fix myself, or am I going to need the (dealer's) diagnostic computer to tell where the problem is?    Thanks, Martin Replies to this message: kcram (Aug 25, 2009 6:18 pm)
#183 of 196 Re: Codes and no (bus) Codes [bulldog77] by kcram HOST Aug 25, 2009 (6:18 pm)
Replying to: bulldog77 (Aug 24, 2009 7:32 pm) If it's the most common cause, it's a loose connection in the electrical box under the hood. Make sure all the connections are clean and tight inside the box, and try restarting the truck to see if the gauges respond, If not, then it would have to be traced.   kcram - Pickups/Wagons Host
#184 of 196 1994 dodge 1500 4x4 tranny problem by seif63 Aug 29, 2009 (4:49 am)
I HAVE A 1994 DODGE RAM 1500 4X4 AUTOMATIC TRANS.NEVER HAD PROBLEMS WITH TRANNY. I STOPPED TO GET GAS ON MY WAY HOME,LEFT THE GAS STATION AND WENT APPROX. 1/2 MILE AND THE TRANSMISSION WENT INTO NEUTRAL,I COASTED TO A STOP,SHUT THE ENGINE OFF AND RESTARTED IT,PUT TRANS IN DRIVE AND IT TOOK OFF AGAIN. THIS HAPPENED LIKE 4 OR 5 MORE TIMES ,SO THEN I CALLED FOR A TOW TRUCK.IT ALMOST SOUNDS ELECTRICAL BECAUSE WHEN YOU SHUT THE ENGINE OFF AND RESTART IT.IT WILL GO INTO GEAR.SPOKE WITH A TRANNY SHOP AND THEY SAID THEY NEVER HEARD OF THIS PROBLEM. ANY HELP WOULD BE APPRECIATED---
#185 of 196 red light and check engine! 2007 ram 1500 v6 by lowrider01 Sep 01, 2009 (4:14 am)
my battery went dead and the red light came on and started blinking and wont turn off replaced battery still blinking then on the mileage display gascap come on then the check engine light come on I replaced the gascap still wont turn off how do I fix this hopefully with out having to take it to dealership? please
#186 of 196 Speedometer not working by malachi4_6 Sep 01, 2009 (9:01 am)
I have a Dodge 2002 Ram Van 2500. The speedometer is not working, the ABS, engine and brake light stays on. I changed the speed sensor and still same problem. I ckecked the wires and there is no current going to the sensor wires. The code is P0500 which is sensor mulfunction. Any ideas what else I can do?

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