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P1768 - 2000 jeep grand cherokee

Transmission goes into limp mode intermittmently, speedomoter stops working, car failed to pass smog test.

Vehicle: 2000, jeep, grand cherokee, 4.8
asked Mar 2, 2013 by anonymous

1 Answer

P1768 Transmission relay output always off.

First check the transmission fluid level and condition, make sure its proper. There is a fuse in the engine juction box that fuse 5 which is a 30 amp fuse,make sure that not open,there is also a relay,you can swap it out with a different relay like the horn. Here is your situation something turns off the relay, either you lost ground or power.

answered Mar 2, 2013 by Reynaldo (3,524 points)

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