It looks to me that you have two separate problems: 1) The O2 sensor fault code and hydraulic cooling fan fault code. Both the O2 sensors and the hydraulic cooling fan use the same fuse, #16 in the PDC under the hood. If there was a short in one of the O2 sensors, than the fuse is blown and the new sensors and fan control don´t work. So check
EricFromCT. 6,986 satisfied customers. I had the check engine light come on and got a reading for a. Hi Pearl - I had the check engine light come on and got a reading for a P1281 Code on my 2003 Jeep Liberty and was told it was the thermostat, … read more. This is what the engineers named this circuit. There is a ton of data being processed through this circuit between the computers on board your vehicle. Your cluster displays this NO BUS reading when it is not able to communicate with the other modules on board the vehicle. This is actually pretty common on this vehicle.2002 JEEP GRAND CHEROKEE LAREDO; 220,000 MILES; Is this going to be expensive? Grand Cherokee Laredo. The codes are p1281. P0118 and p1391. Power steering takes
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