The following conditions must exist for two times during the same ignition cycle. Compare scan data or circuit voltage to the chart in Figure 3 and verify correct operation. You said you have a 2000 l100 then say ls2 little confusing. These things are more than just annoying. The solution is here : P0742 Possible Solution: Gasoline engines use spark plugs to cause an explosion of fuel within the cylinder. For other vehicles, drivers may not notice any issues at all.
Additional comments for consideration regarding the P0742 code The majority of the time when the P0742 code comes on the reason is because there is foreign material that is not allowing the proper function of the solenoid or because the fluid is not flowing properly through the transmission valve body. Whether you need P0742 diagnostic tree information, P0742 diagnosis tips, P0742 technical information, P0742 diagnostics, P0742 troubleshooting help, or just answers to your code P0742 question, the is the place to go! How long is the warranty on the trans overhaul, time? Recommend you get code cleared at Auto Zone, O'Riely, Advance Auto they probably won't charge you and see if code comes back, it may only be a one time incident. How does a mechanic diagnose the P0742 code? Thus, it is crucial to get the repairs as soon as possible, whether the problem is small or large. P0742 torque converter clutch error code is defined as circuit stuck on. After a diagnostic, the gm code was p0742. On the road car acts like it is missing sec g.
Different cases and situations can have different symptoms, and symptoms can vary in their severity as well. Dtc trouble tree discussion on topix. P0327 Knock sensor, P0742 Torq conv. Lockup stuck, acts like in with wheels off the ground, when brake is applied, kills motor, easy braking oldsmobile silhouette check engine light transmission code p0742. If it comes back then it will need to be repaired. Once they have the data, they will proceed on resetting the code and take the vehicle for a test drive to see if the code comes back. Tcc system stuck on the torque converter is front of transmission and helps convert engine power through to rear wheelsP0742 obd ii trouble code repairpal.
When a vehicle has the P0742 code stored, it has the potential to be a large problem. Also, Error Code P0742 may indicate a serious problem, such as shifting issues, rough running or stalling when idling. The problem is that the vehicle will move when placed in reverse, but not any forward gear. Code p0742 torque converter 2000 2005 other than gxp codes i have a 00 saturn ls2 wiyh code. If the plug wires are out of sequence, the explosion occurs at the wrong time. However, in other cases it will no longer be possible for the torque converter clutch to disengage.
If the code does come back, that means the condition was not tripped in error and the problem is legitimate and must be fixed. To check for updated programs all you need is the vehicle identification number for the vehicle that you are working on. It may be helpful to monitor voltage on the signal wire between the switch and the computer Refer to Figure 2 for connecter wire location. If a failure of the actual torque converter lock up clutch is suspected, the wiser option would be to refer the affected vehicle to the dealer or other competent repair facility for professional diagnosis and repair. If the transmission fluid is very dirty, it is recommend changing the transmission fluid and if possible removing the transmission pan for further diagnosis. P0742 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission. Always have the vehicle diagnosed and serviced by a mechanic who has the knowledge and experience needed to fix this and any other issues your car might have.
The information contained on this site is presented for informational purposes only. I researched these codes, but am not quite sure which sensor is. Symptoms associated with the P0742 code can vary substantially. The p0742 code indicates that the torque converter clutch circuit is behaving in an abnormal manner when set powertrain computer, it means computer or pcm seeing less than a 200 rpm difference between rotational speed of and transmission input shaft vehicle slowing down be. Acts like missing sec gear Code P0742 Torq conv. The improper timing of the explosion sometimes pushes the cylinder the wrong direction or interferes with the turning of the crank. This is not something that can really be done in your garage.
I fixed the first two, trouble code p0742 tcc stuck on when this is set pcm will command max and lock adaptive shifting. P0742 obd ii trouble code repairpal p0742 torque converter clutch circuit stuck on codes url? Has anybody had this code before? The cover is accessed through the drivers side wheel well. Posted on Nov 13, 2008 code po742 torque converter clutch circuit stuck on conditions. This problem can be found to be an electrical problem. Sometimes easier to remove the frame completely. Enter the 5 character trouble codes in the search box and submit the search.
The transmission control module will detect the slippage on the torque converter clutch when the converter is commanded off. If you have any doubt as to repairs on your vehicle, please contact your technician. P0742 torque converter clutch circuit stuck on obd codes. By modulating the hydraulic pressure that keeps the torque converter clutch engaged, the transmission is protected against damage caused by excessively high torque inputs. Now don't ask yourself; What should you do with P0742 code? It has to be taken apart transmission to install a new module. If all the components in the system work as designed, the driver is unaware that the system is functional; however, if a failure, defect, or malfunction anywhere in the system prevents the torque converter lock up clutch from disengaging, the result is serious drivability issues because the engine cannot be decoupled from the transmission.
If it does, they know that it was not tripped in error and that the vehicle has a legitimate issue that needs to be resolved. The list of automotive Makes at the right edge of the screen. If there is a big jump in engine speed, there is no lock-up. In a properly timed engine, this explosion occurs at the proper moment to send the piston to the bottom of the cylinder and provide power to the drive shaft. Common Symptoms As with other error codes Error Code P0742 activates the Check Engine light. How long is the warranty on the trans overhaul, time? It should be noted however, that while torque converter lock up clutches are repairable, doing so requires removal of either the engine, or the transmission from the vehicle, which requires tools, equipment, and skills the average non-professional mechanic generally does not possess. Definition Modern vehicles with automatic transmissions transaxles use torque converter between the transmission and the engine to improve the torque output from the engine and drive the rear wheels.
P0742 torque converter clutch circuit stuck on car forums and harsh shifts, p0742 triple edge performance. In other cases however, it will be impossible for torque converter to disengage. Protects transmission components While the engines in many, if not most high-end vehicles are now capable of producing more power than is strictly required, the fact is that the development of automatic transmissions in terms of durability has not kept pace with advances in engine design, with transmission clutch packs still being particularly vulnerable to high torque inputs. Things can be more than just annoying, and potentially dangerous. This step looks for a switch status change when the engine is running.