If they transmission fluid looks contaminated, they will flush and replace it, and then retest the system once more. Accessing the shift solenoids in the transmission can be very invasive, better left to a transmission repair facility. What repairs can fix the P0758 code? And, after the repair, it's still working great! The transmission fluid can be very hot after driving the car and it can seriously burn and injure you! Given that the code indicates electrical, a good place to start with, is on the electrical side of things. I still have this issue. You may need to unplug several connectors in order to check circuit integrity. I replaced both and now my transmission is working fine. It only had the one code.
I checked the codes and I have a P0758 Shift Solenoid B Electrical. If the soleniods are all good could there be a wiring problem??? So has anyone here had this P0758 Shift Solenoid B Electrical problem? This may be the time to bring to a reputable transmission repair facility to diagnose and repair issue with transmission. I use the search in this forum and saw that it could be ground issues, So were going to look for it doing day light. Do both readings measure greater than the specified value? Sometimes you need to bring vehicle to repair facility to get accurate diagnosis. Need help with a P0758 code? It is imperative to keep sensor clean of debris before installing to prevent any malfunctions.
Does the solenoid click when commanded? Do both readings measure greater than the specified value? The solenoid attaches to the control valve body within the transmission. Before the change, the c. Refer to in Wiring Systems. Refer to and in Wiring Systems. But the snap on code reader said P0758 code 2-3 shift solenoid B circuit fault. I'm having this same problem.
Did you complete the replacement? What the P0758 code means Shift solenoid B allows the transmission to shift between second and third gear. Refer to in Wiring Systems. Other shift solenoid codes often accompany this code. You can replace that solenoid, but they are rarely the problem. Transmission repairs can get expensive so you will want to make sure to cover the basics before jumping to any conclusions.
Will the tahoe do the same to prevent the engine from red lining? Tommrow were gonna have a talk with them and this time I am going to be there to make sure they are not taking advantaged of my friend. The numbers below refer to the step numbers on the diagnostic table. Ok think that all the info need more questions or Ideas and solutions I will be happy to answer or take Thank you for your time take care. Ty for your time with my ranting. Refer to in Engine Controls. Why won't your 01' trans work in an 03'? Verify when the last fluid change was done and refer to service manual for service intervals.
Hello everyone This is Ron with a friend 1999 2door Tahoe truck feels like it have no power till it reaches a certain speed more or less. Refer to in Wiring Systems for complete circuit distribution. The main Bs were dealing with is the check engine light we cant get it to pass smog causes of it. Refer to in Wiring Systems. . If everything checked out and code is still active, proceed to next step.
What are the common causes of code P0758? It will not make it up the driveway sometimes. Keep ur money by buying Royal Purple I don't know why you think changing a shift solenoid is such a big deal, the solenoid is very easy when compared to swapping transmissions. Testing the shift solenoids: 1. This is fairly inexpensive to do. Refer to in Wiring Systems for complete circuit distribution.
They are part of the valve body in the transmission. The family has since been using the unlock lever beneath the shifter to retain use of the car. Does the test lamp illuminate? Does the resistance measure within the specified range? Depending on the price of shift solenoid and accessibility, it may be worth a try but keep in mind you may be guessing at this point. Before starting this project, two fantastic videos showed me exactly what to expect if I was going to tackle the job myself. Are you looking for code P0758 troubleshooting help, code P0758 diagnosis tips, code P0758 diagnostics or code P0758 technical information? I checked the codes and I have a P0758 Shift Solenoid B Electrical. See other post for link.
Refer to service manual for procedure. Refer to specific manufacturer for procedures. With the 4L60E transmission, this is called Failsafe mode 3rd gear starts unless the selector is placed in D2 or D1,then it has second gear starts. The car has 192k miles on it. I also tested the soleniods by applying power to the soleniods and all make an audible clicking noise. Common Misdiagnosis Technicians report that more frequently than not, faulty shift solenoid circuit malfunctions cause this code, and shift solenoid malfunctions are diagnosed and replaced in error.