What causes a fault code on a Jeep Grand Cherokee?
Transmission plug adapter is located under the car and often starts leaking oil. Once oily, the plugs have bad electrical connection and transmission goes into limp mode and starts showing fault codes. It is easy to check the plug – look under the car and check if the plug is oily.
Where is the Transmission Control Module on a Jeep Grand Cherokee?
The solderings of the plugs of Transmission Control Module can crack with time. Disassemble the TCM and use magnifier to check the solderings of both plugs. If you can see any circles on the solderings then resolder them. You can resolder them for “just in case” as well. TCM is located on the right side of shifter assembly, near the passenger legs.
Is there a problem with my Jeep Grand Cherokee?
Very often, this will solve the problem. But Jeep Grand Cherokees seem especially prone to more serious transmission problems, and some owners are quite vexed at their inability to determine the causes.
Is there a way to erase error codes from a Grand Cherokee?
Scroll to the “erase codes” option displayed on the on-screen menu. Some scanners also feature an erase button option. If so, press erase. If you had to scroll to the option, press the “enter” or “send” button. Some scanners may ask if you’re sure you want to erase the codes. If so, select “yes.”
Are there transmission problems in the Jeep Grand Cherokee?
As popular as the Grand Cherokee has been in the many years that has been produced, it is not without its faults. In particular, there have been some serious transmission problems in several model years of the Jeep Grand Cherokee. That said, other model years have been excellent.
What is the transmission code on a Jeep Grand Cherokee?
The Grand Cherokee uses a clutch in the torque converter to lock the engine and transmission together at highway speed. P0741 can register whenever this connection is not happening at all or happening properly. P0741 will not affect the way that your Jeep Grand Cherokee’s engine performs at all. It is purely a transmission related code.
What to do if your Jeep Grand Cherokee has a fault?
If adapter is fine, then your car has a weak battery and you need to change it. You can also avoid battery fault by asking Jeep dealer to upgrade TCM software. Upgrading software does not make your battery new, it just does not let your car to go into limp mode for this fault.
What makes a Jeep Grand Cherokee have fault code p0700?
9. Fault code P0700 is caused by solenoids P0700 is also transmission electrical fault, but it is related with transmission solenoids and if you have this code instead of P0702, then you should look at solenoids, TCM or wiring between them. 10. No gear position lights on shifter and no fault codes.