How do you fix P0864?
Several repairs can fix a P0864 trouble code and include:
- Replace or repair damaged wiring and connectors.
- Replace damaged or defective traction control switch.
- Replace damaged or defective traction control module.
- Clear all codes, test-drive the vehicle, and rescan to see if any codes reappear.
What is TCM communication?
Code U0101 stands for Lost Communication with TCM. The transmission control module (TCM) is the computer that controls your vehicle’s transmission. Various sensors provide input to the TCM.
What does the code p0864 stand for?
If a module fails to send a state of health message, the companion module will set a DTC for the module that did not respond. Code P0864 stands for Transmission control module (TCM) communication circuit -range/performance problem. This code indicates the TCM did not respond when addressed by its companion module.
What are the problems with a 2004 Porsche Cayenne?
These are a few of the worst and most reported problems that Porsche Cayenne owners have encountered. Owners of the 2004 Cayenne Turbo 4.5L share a common complaint. The coolant lines used in this model are plastic and run down the center of the engine blocks. When the engine heats up, the plastic cannot withstand the high temperature.
Why is my ignition not working on my Porsche Cayenne?
A code scan can reveal which cylinder is misfiring but not usually exactly why. The ignition coils on the Porsche Cayenne V8 have been updated a number of times. A single coil failure is typically a sign of more trouble to come from other coils, so it’s usually best practice to update them all.
Why is my Porsche Cayenne leaking steam under the hood?
Once they degrade and a leak starts it quickly speeds to a point where large clouds of steam can be seen billowing from under the hood when the engine is running – steam powered Cayenne! There is an update kit available to permanently fix this problem and change the plastic pipes to metal ones.
If a module fails to send a state of health message, the companion module will set a DTC for the module that did not respond. Code P0864 stands for Transmission control module (TCM) communication circuit -range/performance problem. This code indicates the TCM did not respond when addressed by its companion module.
These are a few of the worst and most reported problems that Porsche Cayenne owners have encountered. Owners of the 2004 Cayenne Turbo 4.5L share a common complaint. The coolant lines used in this model are plastic and run down the center of the engine blocks. When the engine heats up, the plastic cannot withstand the high temperature.
A code scan can reveal which cylinder is misfiring but not usually exactly why. The ignition coils on the Porsche Cayenne V8 have been updated a number of times. A single coil failure is typically a sign of more trouble to come from other coils, so it’s usually best practice to update them all.
What causes a valve lift fault on a Porsche Cayenne?
A failing front O2 sensor will either not see or cannot react in time to the valve lift gas flow change. The slow response from the O2 sensor is not within the tolerance the engine management system requires and therefore a valve lift fault is set.