P0219 Engine Overspeed Condition
OBD-II Trouble Code Technical Description
Engine Overspeed Condition
What does that mean?
This is a generic powertrain diagnostic trouble code (DTC) and applies to OBD-II vehicles. That may include but is not limited to vehicles from Ford, Honda, Acura, Chevrolet, Mitsubishi, Dodge, Ram, Mercedes-Benz, etc. Although generic, the exact repair steps may vary depending on year, make, model and powertrain configuration.
When a code P0219 is stored, it means that the powertrain control module (PCM) has detected that the engine has been operated at a level of revolutions per minute (RPM) which exceeds the maximum threshold.
The PCM uses input signals from the crankshaft position sensor (CKP), camshaft position sensor (CMP), and the transmission output speed sensor/s to establish whether (or not) an engine overspeed condition has occurred.
In most cases, the overspeed condition will be automatically met with a rev-limiting device when the transmission is in neutral or park. When the PCM detects an overspeed condition, one of several courses of action may be taken. Either the PCM will discontinue fuel injector pulse and/or retard ignition timing to decrease engine RPM until they return to an acceptable level.
If the PCM is unable to effectively return the engine RPM to an acceptable level, within a certain period of time, a code P0219 will be stored and a malfunction indicator lamp (MIL) may be illuminated.
What is the severity of this DTC?
Since over-revving the engine may result in catastrophic damage, a stored code P0219 should be addressed with some degree of urgency.
Instrument cluster showing tachometer in action:
What are some of the symptoms of the code?
Symptoms of a P0219 trouble code may include:
What are some of the common causes of the code?
Causes for this P0219 transmission code may include:
What are some P0219 troubleshooting steps?
I like to have access to a diagnostic scanner, a digital volt/ohmmeter (DVOM), an oscilloscope, and a reliable vehicle information source before attempting to diagnose a vehicle with a stored code P0219. If available, a scanner with an integrated DVOM and oscilloscope will work well for this task.
Obviously, you want to ensure that the vehicle has not been (deliberately or inadvertently) operated at RPM levels which are greater than those recommended by the manufacturer. This is especially true when considering vehicles with manual transmissions. In these types of vehicles, you will also want to ensure that the clutch is working effectively before attempting to diagnose this code.
You will want to connect the scanner to the diagnostic port of the vehicle and retrieve all stored codes and freeze frame data. Writing this information down has proven helpful (to me) more times than I can count. Now, clear the codes and operate the vehicle normally to see if the code is reset.
If the codes reset:
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Let us fix your problem. You are most welcome our diagnosis experts have in most cases the knowledge and skills to find the cause of the error code p0219 and to solve the problems.
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"Delete Error Code Permanently, Disable DTC Error Code Function for p0219 in the ECU"
In extreme cases, we even have the option to permanently remove the specific DTC p0219 and disable the function of the specific error code in the ECU. All other fault code functions will then continue to work to protect the engine. This is different from clearing an error code with a diagnostic device. We have the option to permanently remove the function of the specific error code, so that it never comes back. Also emergency running that occurs on the specific error code can be solved in most cases.
Of course we prefer to first try to solve the cause of the error code, but sometimes the only solution is to permanently disable the DTC function of p0219.
