Trouble code P1687 means: No Mechanical Instrument cluster bus message
P0304 : cylinder number 4 misfire.
Trouble code P1684 means:The battery has been disconnected within the last 50 starts
Dodge P1687 is -P1687-No Cluster Bus Message More than likely a faulty PCM.but will need further diagnosis using a flow chart for this code.
P0172 System too Rich (Bank 1)
Traction control.
Traction Control
If what is mean is how do you locate the batter to replace it in certain models of the Chrysler Concorde such as the 2003 model.... the answer is to remove the driver side tire and fender. The batter is located in the fender skirt. Tracy Gibson of Virginia
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Do you mean"trac off"? this means the traction control is disabled
The P1687 engine code for a 2000 Dodge Dakota indicates a problem with the ignition switch circuit. Specifically, it suggests that the Powertrain Control Module (PCM) is not receiving a signal from the ignition switch, which can lead to issues with starting the vehicle or cause the engine to stall. It's advisable to inspect the ignition switch, wiring, and connections to resolve the issue and ensure proper communication with the PCM.
The diagnostic code P1687 for a 2000 Dodge Ram 5.2 refers to a problem with the ignition switch circuit. Specifically, it indicates that the Powertrain Control Module (PCM) has detected an issue with the voltage signal from the ignition switch. This can result in various electrical problems, including starting issues or malfunctions in other systems. It’s advisable to check the ignition switch and related wiring for faults to resolve the issue.