Why does my 2000 Jeep Grand Cherokee say perform service?
All this is is a feature that tells you when to change your oil, instead of relying on the trip odometer or service stickers. Changing the oil will not reset it. you have to do that manually every time you change the oil.
What to do if your Jeep Grand Cherokee has a fault code?
If you can check your engine fault codes then you can do this – delete all faults from engine, then start your car and turn steering wheel to left and right. If this makes the code to return, then it is your wiring that is broken. To fix this you’ll need to take off the battery, the plate under the battery and isolate/fix the broken wiring.
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.
What kind of diagnostic device do I need for Jeep Grand Cherokee?
For TCM faults you’ll need a proper diagnostics device as DRB III or Bosch KTS. Those devices are very expensive and we made a free program for reading/clearing engine and transmission faults for 2.7 Jeep Grand Cherokee. It works with ELM327 based diagnostic device, you can get it from ebay for 5 EUR.
What causes a Jeep Grand Cherokee to go into limp mode?
3. Weak battery or bad battery connectors. Your Jeep Grand Cherokee’s transmission can go into limp mode if you are using a weak battery. You should check the battery and cables from both ends, battery and car. If the limp mode is caused by bad battery then you can upgrade the Transmission Control Module software at your dealer.
How to diagnose no response on Jeep Cherokee?
1. First make sure the DRBIIIt is communicating with the appropriate modules; ie., if the DRBIIIt displays a “No Response” condition, you must diagnose this first before proceeding. 2. Read DTC’s (diagnostic trouble codes) with the DRBIIIt. 3. If no DTC’s are present, identify the customer complaint. 4.
Where do you check the electrical connections on a Jeep Cherokee?
THEY MUST BE DRIVEN, IN THE VEHICLE START AND DRIVE CYCLE (S) SUCH THAT ALL DIAGNOSTIC MONITORS HAVE RUN. – check the electrical connections at the PCM, TCM, TPS, TRS and Transmission solenoids for pushed out or corroded terminals.
Do you need to review the Jeep Cherokee manual?
It is recommended that you review the entire manual to become familiar with all new and changed diagnostic procedures.
How to troubleshoot a Jeep Cherokee AW4 system?
SIX-STEP TROUBLESHOOTING PROCEDURE 3.2 FUNCTIONAL OPERATION The AW4 system performs it’s functions based on continuous real-time sensor feedback information. The Transmission Control Module (TCM) continuously checks for electrical problems, some mechanical problems, and some hydraulic problems.