P1684 Dodge Caravan

P1684 Dodge Caravan. As for the engine, the dodge dealers changed the main computer chip after the first. That works for my 02 dodge grand caravan for the same code, which unhooking the battery durning maitnence might of been the cause of p1684. I have changed the ignition coil pack, starter relay and battery.

2001 Champagne Pearl Dodge Grand Caravan Sport 39598612
2001 Champagne Pearl Dodge Grand Caravan Sport 39598612 from gtcarlot.com

What’s interesting about this code is that it doesn. The diagnostic trouble code (dtc) p1684 will set when the transmission control module (tcm) is disconnected from battery voltage or ground.

In Most Cases This Codes Will Set If Your Battery Has Gone Dead Or Been Replaced Recently.


As for the engine, the dodge dealers changed the main computer chip after the first. Thanks for contacting us today. It often appears with, or is related other codes, such as p0420, p0441. A p1684 isn't necessarily a 'battery disconnect' code, but somehow the battery power to the pcm was lost.

Pcm Needs To Be Replaced, And Then Reprogrammed.


P1784 ford transmission system first or reverse gear fault conditions. It could be a wiring problem or something with the actual camshaft. P1684 is determined by dodge, jeep, chrysler and fiat to indicate that the battery has been disconnected within the last 50 starts. >code for p1684, for p0700 it says an automatic transmission input dtc has >been set in the transmission controller.

Most Likely There Has Been A Fuse Removed That Is Needed, Or A Fuse Has Blown That Is Needed For The Vehicle To Start.


The dtc data will be lost. One of the most common trouble codes with the dodge caravan is the p0455 code. The p1684 is still showing after 50 starts, also the battery is new and the car always starts first time so it's not a weak battery issue. The diagnostic trouble code (dtc) p1684 will set when the transmission control module (tcm) is disconnected from battery voltage or ground.

Unhook Your Battery For About 20 Min Than, The Codes Memory Will Be Gone Unless It Finds Another Code Immediately.


Anytime you start a car with a battery that has low cranking amps, a voltage can drop quickly, which triggers this code. Check over all the fuses. There were other codes and i was able to fix them, however the information i find about that code says the battery has been disconnected within the last. P1684 is only a status which indicates that the pcm memory has been cleared within the last 50 ignition cycles and does not indicate a problem

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