P1693 is considered the “companion code”. It is triggered when the powertrain control module (PCM) detects a code that us not actually associated with the PCM. Usually, the code is related to the ECM, or the engine control module.
How do you clear the code on a 2012 Dodge Cummins?
Using a code reader tool, connect to the ECM and find the “fault codes” tab. The displayed codes can generally be clicked on one by one. Another option is to select “erase all faults” and then follow the onscreen instructions. At the end of the procedure, the ignition key should be turned off.
Will clearing a code fix the problem?
When a code clears, you know that the vehicle has been restored to good working order. However, there could be occasions when clearing the codes manually is part of the repair process. For example, a check engine light can be triggered when the gas cap isn’t tightened correctly.
Initiate the manual regeneration by pressing and holding the DPF Regen Force switch a minimum of 6 seconds. This switch location varies by model (see left). – Once the manual regeneration is initiated, the engine speed will increase, and turbocharger noise will increase.
What does code P1693 mean? – Related Questions
How do you manually clear engine codes?
How do you manually reset engine codes?
How do you reset the check engine light on a 6.7 Cummins?
Disconnect the battery for 15 minutes.Hook it back up and start the engine. If the lights back on you need a code reader. If it’s out all is good.
How do you reset the computer on a Dodge Cummins?
To reset the computer in your RAM 1500, take the following steps:
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.
Will resetting an ECU fix it?
Resetting your ECU is a popular myth. In reality, resetting your engine control unit (ECU) after modifying your engine isn’t necessary. However, resetting your ECU can help you fix a faulty check engine light or restore your car to factory setting.
Does disconnecting the ECU reset it?
Disconnecting your battery and draining the power to cause an ECU reset is one of the most common fixes for a check engine light that won’t go away on its own. Doing so is equivalent to a hard reboot on a desktop computer, which is a standard way to eliminate many common problems.
How long do you leave battery disconnected to reset ECU?
You should leave your car’s battery disconnected for a minimum of fifteen minutes and no longer than thirty minutes to reset an ECU. To disconnect a car battery, remove the negative power cable from the negative terminal of your car battery with the use of a socket or monkey wrench.
Can you reset ECU by pulling fuse?
Another way to reset your ECU system
Instead of opening your bonnet and removing the earth lead, you can also disconnect the battery from your car by pulling the fuse that powers up your radio or footlights. You can find this fuse near your fuse box, usually on the lower right hand side of your footlight controls.
Can a scanner reset the ECU?
The Primary purpose of OBD Scanner is to provide data on Performance checks on the car – using data from engine and transmission and finding in faults. However – resetting ECU is not something which OBD Scanners are capable of.
How many miles does it take for ECU to reset?
Here’s something you probably don’t know: after clearing the car’s computer you will need to drive for about 50 to 100 miles. As you drive your car the computer will monitor all the sensors and register the results.
How do I know if my ECU is damaged?
Lucas Auto Care lists the symptoms of a bad ECU below.
Engine Lags or Surges. Because the ECU controls your engine’s timing and fuel usage, you might notice engine performance issues such as lagging or surging in the module is going bad.
A faulty ECM can send poor data to your vehicle’s transmission control module (TCM). As a result, the vehicle cannot properly shift gears or apply power, causing the shift to feel awkward, delayed, or even jarring. When this occurs, the engine may sporadically become more active or stall out.
What is the most common failure of an ECM?
The most common source of ECM failure is in one of the wiring harnesses. If the wires to the transmission or fuel injectors become corroded, they can lose conductivity, leading to a failure. Fortunately, these issues can usually be resolved by replacing the corroded wires.