P1684 Dodge Ram

2005 Dodge or Ram Truck RAM 1500 Truck 2WD V6-37L VIN K. It is common for the crank sensor or tps to short the signal voltage and cause weird problems and serial data issues.

P1684 Code Battery Power To Pcm Tcm Module Disconnected Mechanic Base

3G Dodge Ram Performance Talk.

P1684 dodge ram. The DTC data will be lost. These symptoms include failure to start rough idle misfiring decreased fuel economy and the service engine soon light. It means that there has been a power interruption to the TCM transmission control module as dun4now has pointed out in Post 2.

P0118 is sometimes accompanied by noticeable symptoms. Any advice would be appreciated. Turn key on unplug tps verify 5volts to the tps 47-51 is a good range.

P1684 indicates there has been a power outage from your battery in the past 50 starts If this error code is correct the then interval between the battery replacement must have reset the PCM model. One of the reasons for this is a weak battery. P1684-BATTERY WAS DISCONNECTED For the Transmission circuit diagram Refer to Transmission Control SystemsDiagrams For a complete wiring diagram refer to diagrams- When Monitored.

Jump to Latest Follow Status Not open for further replies. P1684 DODGE Meaning The Diagnostic Trouble Code DTC P1684 will set when the Transmission Control Module TCM is disconnected from battery voltage or ground. Discussion Starter 1 Jun 7 2006.

If you disconnected your battery you will get a P1684 code for the next 50 restarts if you bother to check the readouts. 2002 Dodge 2500 291k miles - Quadzilla Adrenaline 75 DAP Injectors HX3540 606012 BHAF 3 Flow Through Muffled Exhaust AirDog 150 10 years old 1996 Dodge 1500 164k miles - 59L V8 Dynamic 46RE Tranmission Mopar Performance PCM. This may be a wiring harness or connector problem.

Anytime you start a car with a battery that has low cranking amps a voltage can drop quickly which triggers this code. This can often be caused by replacing the car battery or removing the battery cables. P1628 Sensor Reference Voltage 2 Circuit Erratic.

Anyone know what this is. A P1684 isnt necessarily a battery disconnect code but somehow the battery power to the PCM was lost. The DTC will also set during DRB-III QUICK BATTERY DISCONN ECT procedure.

You must also check the wiring around the PCM. Its just as likely that the only sign that youll get from the Ram is the check engine light itself. The DTC data will be lost.

1999 Dodge Ram 2500 59L 24v Auto Trans 4x4 SRW LB Quad Cab 285 75R16 tires 131K miles Airdog 100 with drawstraw V Isspro Mechanical 0. If OK plug it back in and unplug your map sensor and do the. P1684 DODGE Description The Diagnostic Trouble Code DTC P1684 will set when the Transmission Control Module TCM is disconnected from battery voltage or ground.

Dodge Ram Truck 3rd Gen 02 08 Forums. P1684 means that power to your powertrain control module PCM was interrupted. Trying to self diagnose.

1 - 3 of 3 Posts. The most common cause of this is because of a weak battery. 57 liter 8 cylinder 2WDTransmission.

Whenever the ignition is in the RunStart position. The P1684 error code means that the power supply to the Powertrain Control Module PCM is faulty. The vehicle will go into immediate limp-in mode if power is lost while operating the vehicle.

Thats the most common source of P1684. P1628 code - PCM recognizes the secondary 5-volt supply circuit voltage is verying much too quickly. EVERY time I address this code the first thing I do is verify your 5v reference signal voltage.

P1684 dtc code 06 Ram. The DTC will also set during DRB-III QUICK BATTERY DISCONN ECT procedure. Dodge Ram P0118 Symptoms.

On quick search the reason for P1684 was as follows. The DTC data will be lost. Joined Mar 17 2006 84 Posts.

It can also be an internal PCM connection solder joint problem but rule out anything outside the PCM first. Normal operation is resumed if the power is restored during the same key start. The Diagnostic Trouble Code DTC P1684 will set when the Transmission Control Module TCM is disconnected from battery voltage or ground.

Default actions the MIL light illuminate the ETC light flash if the vehicle is equipped with the stopstart feature the system will disabled when this DTC is active.

I Have A 2003 Dodge Ram 1500 I Had A Fuel Vapor Leak For A Few Months And Just Fixed It A Few Weeks Ago I Had To Replace