2006 Jeep Grand Cherokee "control center 4 scan letting" Questions

...control center says service 4wd switch wow no engine size stated, the 5.2L run a special trans... so.... hopeless to help you much. zj jeep with automatic. it didnt lie, it told you to service it, so ...

4 wires (so does the lock for door there)
2 for the motor
2 for the switch status. (tells you on dash light , gate unlocked)

so of the motor runs by itself that means, the controls to

...control relays for lamps.

lets review this design
the park switch(or 2clicks) closes at hand
the PCM sees this pure digital signal and the PBC commands on the park relay ,it closes ...

...center vents , an is it low air flow in all positions ? Does your temperature light light up on the dash ? TEMP ?€¢ The instrument panel cluster (IPC) illuminates the TEMP indicator when the ...

...center or at a local parts store equipped  to handle used oils. 2. change the sensors, both input (L) and output (R). AND 3. Clear the codes with a good OBD reader that sees and deletes ...

...control systems. The speedometer system consists of the instrument cluster, vehicle speed sensor (VSS), PCM/VCM and related wiring. The VSS is a permanent magnet signal generator that sends an analog ...

...center, tech info, owner manual. I have one for $7 plus postage. let me know. Also, look for a plastic credit card in teh glove box with the code on it. The module should be under the dash, driver ...

...control circuits, there SHOULD be fault codes stored in the engine computer to let you know which circuits are failing.  Sometimes things mess up and do not set codes, but when you are having ...

...center (no rich or lean signal detected when in closed loop), shorted to voltage, shorted to ground, slow response or heater failure (Cars 1996-97) (Trucks/Vans Jeeps 1996-97) Conditions For Setting ...

...center(TDC) sensor crank sensor? Code 9 - No. 1 cylinder position(1.6 liter only)(cam sensor) Code 10 - Intake air temperature, AIT Code 11 - - -Code 12 - Exhaust gas re-circulation(EGR) system Code ...