Question about 2003 Dodge Durango
A small Evaporative Emission Control System leak has been detected
Transmission Control System Malfunction
P1794 is: Powertrain Control Module Battery Direct Power Circuit
Now, what can we find from all of these.....the first one p0456...mostly refers to improper sealing of the gas cap, so replace this fairly cheap....
now 0700 normally refers to a transmissioin fault..but the third one p1794 refers to battery power...so I would be first checking to see if battery charging system is functioning correctly.....a charging rate at idel should be 13.8-14.4v......as the 0700 code could be related to this issue.....check the transmission fluid.......should be cherry red, not smell burnt or brown.......is this car regularly serviced.......if so, what does the vehilce do that leads you to think there might be a problem....apart from the engine light.....
Lastly, these codes may not be current ones, but maybe you started the car with the gas cap off, for instance and it logged this code..so see if you can clear them, and see what remains behind.
Posted on Aug 26, 2010
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Posted on Jan 02, 2017
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