Ken Huey
NAXJA Forum User
- Location
- Glendale, AZ
1999 Cherokee Sport 4.0L I6, AW4 Automatic Transmission, Selec-Trac 4WD...Engine starts & runs normally but vehicle does not move (at all)...Only OBD II Code is P0751: "Shift Solenoid A CKT performance or Stuck Off"...I understand the AW4 transmission is electronically controlled with 3 solenoids located on the Valve Body...I understand that Solenoid #3 "Shift Solenoid" controls the Lock-Up Torque Converter...I understand that each solenoid should test between 11-15 OHMS; if good...I understand the process necessary to change one or all of the solenoids...The information I have not been able to locate is a way to test the solenoids electrically without going into the transmission...It is my understanding the 1999 Cherokee Sport 4.0L I6 does not have a "Stand Alone" TCU (Transmission Control Unit); the TCU was integrated into the PCM (Powertrain Control Module) for 1999...I have yet to locate electrical diagrams for the 3 PCM Connectors; C1 Black, C2 White, C3 Grey Connectors, to determine if the solenoids can be tested with an OHM Meter in a similar manner to the testing at the pre-1999 TCU Connector at C14, C15 & C16 or any other connector(s) in the solenoid electrical path from the transmission...Also, would appreciate any information/suggestions to troubleshoot vehicle symptoms and Trouble Code P0751...Anyone else delt with these issues in XJ Land...Thanking all in advance.
Troubleshoot & Test 1st - Spend $$$ 2nd!
Troubleshoot & Test 1st - Spend $$$ 2nd!