Why is the OBD port on my Dodge Ram not working?

Double check all that. There shouldn’t be any reason it won’t work outside of a messed up wire or pin. The reader is a direct connection to the computer. Normally the port won’t go bad. Double check all the connections to the computer to make sure they are tight. Does the scantool fit in snug or is it super loose??

Why is my reader not working on my Dodge Ram?

There shouldn’t be any reason it won’t work outside of a messed up wire or pin. The reader is a direct connection to the computer. Normally the port won’t go bad. Double check all the connections to the computer to make sure they are tight. Does the scantool fit in snug or is it super loose?? (You must log in or sign up to reply here.)

Why is my Dodge Ram 1500 no start?

Please try again later. This 2004 4.7l Dodge Ram 1500 had an intermittant no crank/no start. Instrument cluster self test revealed no communication with the PCM. Wiggling the wires at the Integrated power module and PCM seemed to help but eventually it refused to crank at all. Problem was traced back to a worn through PCM B+ wire.

How can I tell if my Dodge Ram has a bad alternator?

Another test you can do that’s not nearly as scientific is to turn the headlights on and then start the engine. They should get brighter after the engine starts, since the voltage is increasing by almost 2 volts. Now with the engine idling, rev it up a little bit.

Is the OBD port on my Dodge Ram working?

A lof of hangin out and drinking with friends. 2001 Dodge Ram 2500 with 5.9L Cummins. My obd port hasn’t worked since I’ve had the truck. Bought it used at 82,000 miles in May 2014. Now at 87000. Checked all fuses, they’re good. Everyone recommends checking the main cab fuse as it powers the obd port.

How to reset PCM and check engine light in Dodge Ram?

The reset procedure in your Dodge Ram is as easy as they come. First, park your truck and turn it off. Pull the hood lever under the driver’s side dash, and then pull the safety catch on the front of the hood to open it. Find the power distribution center (PDC); it will be a black box near the battery. Unlatch and open the cover of the PDC.

What should I do if my OBD port is not working?

Everyone recommends checking the main cab fuse as it powers the obd port. It’s still good. Ecu does it’s self check upon start up and truck still runs perfect, so Ecu is unlikely the issue. I’m running out of ideas. It has an aftermarket radio installed by previous owner.

Where are the fuses on a ram truck?

Fuse box diagram (fuse layout), location and assignment of fuses and relays Ram Trucks 1500, 2500, 3500 (2013, 2014, 2015, 2016, 2017, 2018). Before replacing a fuse check that the key has been removed from the ignition and that all the services are switched off and/or disengaged.

Why is the OBD II scanner not communicating?

Check the fuse box (Power Panel), it might be the reason why PCM isn’t able to receive power as well as communicate.

Why are all my fuses working but no power?

Wiring between the underhood fuse block (PDC) and the JB could be broken or burned up. The #12 fuse location is central to the circuit, so finding out if power is present there will tell us which way to go. Here are the other circuits the fuse feeds… just in case one or two may still operate.

Why is the OBD port not working on my Ram truck?

Bought it used at 82,000 miles in May 2014. Now at 87000. Checked all fuses, they’re good. Everyone recommends checking the main cab fuse as it powers the obd port. It’s still good. Ecu does it’s self check upon start up and truck still runs perfect, so Ecu is unlikely the issue. I’m running out of ideas.

Is there no power at the OBDII port?

Even replaced it with a known good fuse, but still no power to the Cigar lighter or the OBDII port. I just did a quick test with my multi-meter and I do have power on one side of the blade fuse socket, but nothing at the OBDII port or at the lighter. Has anyone run across this before?

Why is the fuse not working on my Subaru Outback?

Perhaps the shop that replaced the battery tried to maintain power through the OBD connector, but accidentally turned something on in the car that blew the fuse. The fuse is unrelated to any CEL, i.e., it doesn’t cause a CEL if it’s blown.

Where are the connectors for the OBD port?

This connector is located on the left side (driver’s side) of the dash near the central timer module on the right hand side (passenger side of the steering column) where the large loom goes over the steering column. Look here for joint connector 5:

Why is my OBD2 not connecting to YouTube?

These issues include an incompatible obd2 scan tool, bad fuses, damage in the circuit board, ECU, and failed computer. OBD-II…. Non connecting data Port Issue. *FIXED* This might help you! – YouTube OBD-II…. Non connecting data Port Issue. *FIXED* This might help you! If playback doesn’t begin shortly, try restarting your device.

Why is the OBD2 port pinout not communicating?

Thanx in advance. Here is is the OBD2 port pinout, a bad ground will prevent communication, pin 5 is a ground. See if it has a good ground. Key off and use a good 10 megaohm impedance ohmmeter to test the pin 5 to ground. If no ground the circuit is broken somewhere between the OBD2 connector and the PCM

What to do if the OBD II scanner doesn’t communicate with the vehicle?

What to do if the OBD II scanner doesn’t communicate with the vehicle. TEST 1: Connect the positive DMM lead to DLC pin 4 and the negative DMM lead to the negative battery terminal, using jumper wires if necessary. Do not connect to the body or chassis ground but to the battery terminal directly.

Can a programmer read the OBD on a Dodge?

I cant read the OBD, I have no tach, water temp, OIL Pressure goes to default 40PSI, I have no read out on the PRND12, no cruise and no MPG read out. Accoriding to Dodge and the main computer there, The TIPM checks out, the Cluster checks out but the ECM shows no life.

Why does my can / OBDII reader not read?

When I plug my Can/OBDII reader into the port, it fails saying it cannot read. When I plug in my Superchips Cortex programmer in and attempt to do a tune, it tells me it cannot detect ignition. When I plug in a Smarty JR, it just keeps cycling trying to detect and eventually errors.

What are the pins for the OBD-2 connector?

OBD-2 connector must have pins 4, 5 for ground connections and pin 16 for 12 volt power supply from the vehicle battery. What is OBD DTC? Prior to OBD, auto manufacturers did not standardize DTC’s (diagnostic trouble code).

Why is my PCM not connecting to the OBD2 port?

If no ground the circuit is broken somewhere between the OBD2 connector and the PCM If the ground is good then it is either a bad connection on pin 2 back to the PCM or a Bad PCM itself, which I suspect is the problem. Note that the OBD2 port is fused.

Why is the OBD port on my Dodge Ram not working?