Common questions

What is code P1684 on dodge caravan?

What is code P1684 on dodge caravan?

The P1684 error code means that the power supply to the Powertrain Control Module (PCM) is faulty. One of the reasons for this is a weak battery. This can often be caused by replacing the car battery or removing the battery cables.

What is code 1684?

P1684 means that power to your powertrain control module (PCM) was interrupted. The most common cause of this is because of a weak battery. Anytime you start a car with a battery that has low cranking amps, a voltage can drop quickly, which triggers this code.

What causes a minivan to crank but not start?

Make and Model > Chrysler > Caravan, Grand Caravan, Town… > Cranks but won’t start –… If you own a Chrsyler Minivan and it cranks but won’t start, the most common cause is a bad crankshaft (CKP) or camshaft (CMP) position sensor or a short in the wiring.

How to disconnect the battery on a Dodge Grand Caravan?

Disconnecting the battery can be done even if the driver is a complete and utter novice at car maintenance as all that’s needed is a little knowhow and an adjustable wrench to deal with any troublesome bolts. Start by opening up the hood of the vehicle and making sure that it’s secured.

Why does my Dodge Grand Caravan need to be reset?

Spotting any issues can just mean that it needs to be reset to confirm that none of the problems have lingered. Any Dodge Grand Caravan PCM will draw all of its sustenance directly from the car battery. Once the car battery has been disconnected the module is going to shut down.

Why does my Jeep Grand Cherokee not start?

My sister’s 96 Jeep Grand Cherokee started doing the same thing, on top of randomly stalling while driving and not immediately restarting. It has the 4.0 inline 6 and uses the same style of crank sensor mounted to the outer transmission bellhousing. It ended up being a bad crank sensor.

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Ruth Doyle