Table of Contents
How do I reset my Ram 1500 PCM?
To turn it off, you’ll need to reset the computer….Turning Off the RAM 1500 Check Engine Light
- Identify your battery’s negative cable.
- Disconnect the negative cable from the battery.
- Wait 20 minutes so that all systems have shut down.
- Reconnect the negative cable.
Is the PCM and ECM the same thing?
The main difference between the two is that the ECM controls specific parts of the engine, regulating and sending commands. While the PCM is used in newer models to control almost all engine functions.
Does a PCM need to be reprogrammed?
PCM Reprogramming is also necessary to change the engine idle speed, spark timing, fuel mixture or other emission control functions. PCM Reprogramming may be required to resolve a hot or cold starting issue, idle roughness, stalling, or an emissions failure.
Where is the PCM located?
The PCM is most often located in the engine bay near the fuse box or inside the car near the fuse box. It can often also be located under the front windshield behind some covers. There are a few different locations that the manufacturer can place your vehicle’s PCM, but the most common location is in the engine bay.
How do you reset the check engine light on a 2009 Dodge Ram 1500?
How To Reset the Check Engine Light on a RAM 1500
- Find your battery under the hood and disconnect the black/negative cable.
- Wait 20 minutes for the power reserve to expire. The RAM 1500 check engine light should reset automatically during this time.
- Now, just reconnect the black/negative cable.
Can I reprogram my PCM myself?
Reprogramming a PCM requires a J2534 Pass Thru device. Pass thru tools are completely self-contained; some don’t even have an on/off button. There are a dozen or more on the market, and some scan tools have pass thru capabilities too. To reprogram a PCM, the tool must comply with SAE Standard J2534-1.
How do you turn off the check engine light on a Dodge Ram?
When to reset the PCM on a Dodge Ram?
There are other reasons why you would need to reset the PCM, such as after the installation of aftermarket components that require a PCM reset so the truck can fully adjust to new components. The reset procedure in your Dodge Ram is as easy as they come.
How do you reset the PCM on a Chevy Silverado?
First, put your key in the ignition and turn it on so the dash lights come on and the chimes start, but don’t start the engine. Wait and listen for two quick chimes that will confirm that the PCM has been reset, then shut off the truck and take the key out. Figure 2. With the key in the ignition, turn it to the first notch.
Where is the fuse for the PCM on a ram truck?
Take a look at the diagram on the back of the cover. Identify the fuse for the PCM. Depending on your Ram truck model, it will either be fuse #19, #23, or #31. Pull the fuse from the PDC.
How do you reset the PCM on a Ford Ranger?
Get in the driver’s side of the truck, shut the door, and put on your seat belt. You’ll need to listen for chimes when you’re resetting the PCM, and having the door open and seat belt off will set off some warning chimes that will make this more difficult.