Error Code P Shift Solenoid E Stuck On
Error Code P is defined as Shift Solenoid E Stuck On. This is a generic trouble code, meaning it applies to all vehicles with the OBD-II system, especially those made since up to present and equipped with automatic transmission. This includes vehicles from, but not limited to, Chrysler, Dodge, Ford, Hyundai, Ram, Kia, Toyota, Lexus, Mazda, Honda, and Volkswagen. Specifications on the definition, troubleshooting, and repairs, of course, vary from one make and model and powertrain configuration.
Automatic transmissions use several shift solenoids, depending on the number of gears. The Error Code related to the “E Solenoid” includes:
These codes are based on a specific malfunction that alerts the PCM (powertrain control module, also known as ECM or engine control module in other vehicle makes) and activates the Check Engine light. If your vehicle comes with an overdrive or other transmission warning lamp, then it may illuminate as well.
The job of the Shift Solenoid Circuit is to help the PCM monitor the shift solenoid and manage the movements of fluid between various hydraulic circuits, and the change in transmission gear ratio at the right time. This routine maximizes the engine’s performance level at the lowest RPM possible.
Automatic transmission depends on multiple bands and clutches to change gear. This is done by having fluid pressure at the right place at the right time. This is where the importance of the transmission solenoid gets into the picture – to open or close the valves in the valve body and allow the transmission fluid to flow thoroughly to the bands and clutches and make way for smooth transmission shift as the engine accelerates.
When the PCM determines a malfunction in the Shift Solenoid “E” Shift Circuit, various codes may be triggered depending on the vehicle, transmission, and the number of gears inside the automatic transmission.
In Error Code P, this means there’s a detected stuck on transmission Shift Solenoid “E” condition.
- Vehicle in limp mode
- Overheated transmission
- Transmission slipping when shifting
- Transmission catches in gear
- Increase in fuel consumption
- Misfire like symptoms
- Not enough fluid level
- Clogged or dirty transmission filter
- Contaminated or dirty fluid
- Restricted passages in the hydraulic
- Defective transmission valve
- Defective shift solenoid
- Internal failure in transmission
- Corroded or damaged connector
- Damaged or faulty wiring
- Defective PCM
How to Check
Before starting with any troubleshooting process, it’s important to check the with vehicle’s TSB (Technical Service Bulletins), specific to its year, model, and transmission. In some cases, this can help save a lot of time, as it points you in the right direction. Also, it pays to check the vehicle’s records to verify the last time the fluid and filter was changed.
Inspect Fluid and Wiring
First, check the transmission fluid’s condition and level. Before this, you can consult with the vehicle’s records to verify the last time the fluid and filter was changed.
For the wirings, it’s obvious. Make sure the connectors and connections are secured, and there are no signs of damages and corrosions. This includes inspecting all wirings and connectors to the transmission pressure control solenoids, transmission pump, and PCM. Depending on the configuration, the transmission pump can be electrically or mechanically driven.
These steps may vary from one vehicle to another, and requires advanced equipment to perform, such as digital multi-meter and specific technical references for the vehicle. You will need the specific troubleshooting guidelines for your vehicle before proceeding with this kind of diagnosis.
Also, remember that voltage conditions may vary based on the model of the vehicle. Fluid pressure requirements can also vary based on the design and configuration of the transmission.
Unless it was specified in the technical data, the normal resistance reading for connections and wirings is 0 ohms. Continuity check should be performed with the power removed from the circuit to avoid shorting the circuit and doing more damage. Resistance or no continuity is a sign of faulty wiring, which may be open or shorted, and must be repaired, if not replaced.
How to Fix
- Replacing fluid and filter
- Repair or replacement of defective transmission valve body
- Repair or replacement of defective shift solenoid
- Repair or replacement of defective transmission
- Cleaning passages through a transmission flush
- Cleaning connectors off of corrosions
- Repair or replacement of faulty wiring
- Replacement or flashing of PCM
The severity of this code starts at moderate, but it can develop into something serious when not corrected soon enough.
P Code - Shift Solenoid 'E' Stuck On
Engine-Codes - Generic - P
Repair Importance Level: 3/3
Repair Difficulty Level: 3/3 What is this?
What does this mean?
P code possible causes
- Low transmission fluid level
- Dirty transmission fluid
- Faulty shift solenoid 'E' valve
- Shift solenoid 'E' valve harness is open or shorted
- Shift solenoid 'E' valve circuit poor electrical connection
How is the P code repair?Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
What does this mean?
P code tech notesWhen the a transmission solenoid is stuck on, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. If the transmission fluid is very dirty, it is recommend changing the transmission fluid and if possible removing the transmission pan for further diagnosis. Excessive debris or metal particles on the transmission pan could be an indication that there is a transmission mechanical failure and that the transmission will need to be rebuilt or replaced.
What is the cost to diagnose the P code
Labor:The cost to diagnose the P code is hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $ per hour.
When is the P code detected?The P code is detected when the gear required by the ECM does not match the actual gear when vehicle is driven.
What are P code possible symptoms?
- Engine Light ON (or Service Engine Soon Warning Light)
- Transmission will not shift gears.
What is P code meaning?Shift solenoid valve 'E' is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (ECM) (throttle opening). Gears will then be shifted to the optimum position.
Need more information with the P code?Need more information on how to fix the P code?
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P code information for specific makes
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P Shift Solenoid E Stuck On
P Shift Solenoid E Stuck On
OBD-II DTC Datasheet
Shift solenoid valve E stuck on
What does this mean?
This is a Generic Transmission Diagnostic Trouble Code (DTC) and is commonly applied to OBD-II vehicles equipped with an automatic transmission.
This may include, but is not limited to, vehicles from Chrysler, Ford, Dodge, Hyundai, Kia, Ram, Lexus, Toyota, Mazda, Honda, VW, etc. Although general, exact repair steps may vary by year, brand and models. and transmission configuration.
Most automatic transmissions include multiple shift solenoids, depending on the number of gears inside. The DTCs associated with this solenoid "E" are P, P, P, P, and P based on a specific malfunction that alerts the PCM to set the code and turn on the Check Engine light. If you have an overdrive warning lamp or other transmission warning lamp, it may also be on.
The shift solenoid valve circuit is for the PCM to control the shift solenoids in order to control the movement of fluid between the different hydraulic circuits and change the transmission ratio at the appropriate time. This process maximizes the level of engine performance at the lowest possible rpm.
Automatic transmissions use bands and clutches to shift gears, and this is achieved by ensuring that the fluid pressure is in the right place at the right time. Transmission solenoids are responsible for opening or closing valves in the valve body, allowing transmission fluid to flow to the clutches and belts for smooth shifting of the transmission as the engine accelerates.
When the powertrain control module (PCM) detects a malfunction in the shift solenoid "E" shift circuit, different codes may be set depending on the specific vehicle, transmission, and the number of gears included in the specific automatic transmission. In this case, the P OBD-II DTC is associated with a detected stuck shift solenoid "E".
Example of switching solenoids:
What is the severity of this DTC?
The severity of this code usually starts at moderate, but can quickly progress to a more serious level if not corrected in a timely manner.
What are some of the symptoms of the code?
Symptoms of a P trouble code may include:
- Slipping transmission
- Overheating of the transmission
- Transmission stuck in gear
- Reduced fuel economy
- Possible misfire-like symptoms
- The car goes into emergency mode
- Check Engine light is on
What are some of the common causes for the code?
Reasons for this P transfer code may include:
- Insufficient fluid level
- Dirty or contaminated liquid
- Dirty or clogged transmission filter
- Defective transmission valve body
- Limited hydraulic passages
- The transmission has an internal fault.
- Defective gear shift solenoid
- Corroded or damaged connector
- Faulty or damaged wiring
- Defective PCM
What are some steps to troubleshoot the P?
Before beginning the troubleshooting process for any problem, you should review the vehicle-specific Technical Service Bulletins (TSB) by year, model and transmission. In some cases, this can save you a lot of time in the long run by pointing you in the right direction. You should also check the vehicle records to check when the filter and fluid were last changed, if possible.
Checking fluid and wiring
The first step is to make sure the fluid level is correct and check the condition of the fluid for contamination. A thorough visual inspection should then be performed to check the associated wiring for obvious defects such as scratches, abrasions, bare wires or burn marks.
Next, you should check the connectors and connections for safety, corrosion and damage to the contacts. This process should include all wiring and connectors to the transmission solenoids, transmission pump, and PCM. Depending on your configuration, you need to check the transmission link for security and binding issues.
The additional steps become very vehicle specific and require appropriate advanced equipment to be performed accurately. These procedures require a digital multimeter and vehicle-specific technical reference documents. Voltage requirements will depend on the specific year and vehicle model. You must follow the specific troubleshooting chart for your vehicle.
Continuity checks should always be performed with circuit power disconnected and normal wiring and connection readings should be 0 ohms of resistance unless otherwise specified in the datasheet. Resistance or no continuity indicates faulty wiring that is open or shorted and requires repair or replacement.
What are the standard ways to fix this code?
- Replacing fluid and filter
- Repair or replace the defective shift solenoid.
- Repair or replace a faulty transmission valve body
- Repair or replace a faulty transmission
- Flushing transmission for clean passages
- Cleaning connectors from corrosion
- Repair or replacement of wiring
- Flashing or replacing PCM
Hopefully the information in this article has helped point you in the right direction to troubleshoot the shift solenoid circuit DTC problem. This article is for informational purposes only and specific technical data and service bulletins for your vehicle should always take priority.
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NOTE. This information is provided for informational purposes only. It is not intended to be used as a repair recommendation and we are not responsible for any action you take on any vehicle. All information on this site is protected by copyright.
Solenoid e on shift stuck
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P code definition
When the Powertrain Control Module (PCM) detects a problems in the shift solenoid, usually in the form of an incorrect gear ratio, a P trouble code is stored. The shift solenoids help to manage the transfer of transmission fluid between the various hydraulic circuits, which in turn cause the transmission to go into different gears. Associated trouble codes include P, P, P, and P
What the P code means
When there is a discrepancy between the gear ratio desired and the actual gear ratio achieved, the PCM stores a P trouble code and the Check Engine Light is illuminated. The particular gear ratio desired is affected by such factors as vehicle speed, engine speed, and throttle position. Mechanics should keep in mind that multiple failure cycles might be required on some models before the Check Engine Light illuminates.
What causes the P code?
Some of the common causes of a P trouble code include:
- Mechanical failure of the transmission
- Blockage within the internal fluid passages of the transmission
- Faulty shift solenoid
- Faulty PCM or Transmission Control Module (TCM)
- Dirty or contaminated transmission fluid
- Low transmission fluid
What are the symptoms of the P code?
Harsh shifting, transmission slippage, or total failure to shift into any particular gear are common signs of a P trouble code. Other symptoms include no obvious symptoms other than an illuminated Check Engine Light and a stored code, overheating of the transmission, and a decrease in the vehicle's fuel efficiency.
How does a mechanic diagnose the P code?
Properly diagnosing a P trouble code requires a mechanic to have an OBD-II scanning tool, a digital volt/ohmmeter, a hydraulic pressure diagram, and a manual pressure pump. The mechanic must also perform the following diagnostic steps:
Start off by pulling the transmission dipstick to examine the transmission fluid. If the fluid looks abnormal or smells burned, the mechanic might have to rebuild the transmission.
To further check the condition of the transmission, remove the transmission pan and inspect it for any debris. If the mechanic finds any debris, the transmission must be rebuilt.
The mechanic should also repair any leaks by filling the transmission to a level sufficient to fix them.
The mechanic should also examine the wiring, connectors, and related components for damage.
Before clearing the codes, the mechanic should fill the transmission fluid to a normal level and download any stored codes and freeze frame data for additional analysis if needed.
The mechanic should then clear the codes before testing the vehicle to system to see if the any of the codes return. The mechanic should do this by starting the vehicle and allowing it to reach a normal operating temperature.
If the code returns upon testing the system, hook up the manual pressure pump to the transmission, and using the hydraulic pressure diagram get an accurate reading of the pressure of the transmission's hydraulic pump, comparing the readings gained to the manufacturer's specifications.
Clear the code and if it returns, and check for the reference voltage and ground signal of the shift solenoid using the digital volt/ohmmeter.
If either the voltage or ground are open, check the continuity and resistance in all related circuits. Make sure to disconnect any related modules, otherwise damage and memory loss can occur.
If everything checks out and the code persists, check the PCM for fault.
Clear the code and test the system to see if the P trouble code or others return.
Common mistakes when diagnosing the P code
A common mistake made by many mechanics when diagnosing this trouble code is to assume the code is caused by a faulty shift solenoid circuit. This leads to the replacement of the shift solenoid which doesn't fix the problem, leading to the return of the code.
How serious is the P code?
The seriousness of a P trouble code ranges from not serious at all to the total failure of the transmission to shift into any particular gear. Vehicle owners also have to be concerned with the decreased fuel mileage that this code can cause.
What repairs can fix the P code?
To fix a P trouble code, the mechanic should perform the following repairs:
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