Question about 1997 Plymouth Voyager

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Why does my 1997 Plymouth Voyager shut down while driving after 20 mins?

While driving for about 20 mins it shuts down then starts up again. Replaced alternator,battery,output censor,speed censor and all 6 spark plugs, and still shuts down. Took it for a diagnostics check and came up with code P1698, what does this code mean?

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  • Plymouth Master
  • 21,873 Answers

Well code 1698 means the engine computer could not communicate with the transmission control module. I doubt that would kill the engine, but there could be a wiring problem somewhere.
It could be a faulty relay too.

Posted on Jul 28, 2014

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5 Suggested Answers

armstrong750

  • 109 Answers

SOURCE: HELP! Problems on my 1997 Grand Caravan P1698, P0138, P0140

you need to go over your entire wiring harness, under the hood and inside the dash. Start with the ground wire on the battery and work your way inside. It sounds like there is a loose ground wire somewhere

Posted on May 06, 2009

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Anonymous

  • 1 Answer

SOURCE: 1998 plymouth voyager getting codes p0500,p1698

p0500 Vehicle Speed Sensor Malfunction

Posted on Oct 07, 2009

motor1258

Mike Butler

  • 6674 Answers

SOURCE: What does the Diagnostic error

First, remove battery negative cable.Then I would remove kick panel (by right foot when sitting) on passenger side & locate BCM (body control module) . remove the harness connector to it & spray well with contact cleaner in connector & on module where they meet. Let it dry a bit, then re-connect it & re-connect negative battery terminal, and see if that helps. It's not unusual for these codes to come up & make one think that a part needs to be replaced, when it's just a bad connection.

Posted on Oct 12, 2009

Molson02536

Harvey N Tawatao

  • 3854 Answers

SOURCE: Transmission Input Speed Sensor Replacement 1997 Plymouth Voyager

The first thing I needed to do was to identify my transmission. The 2000 Dodge Grand Caravan Sport (3.3 L) has the A604 transmission, as did any Caravan from 1989 to 2006. Might as well replace both sensor and will take less then 30 min from start to finish.

Vehicle's with A604 transmissions have chronic input and output speed sensor problems and also with the little wire connectors to those input and output speed sensors. The dealer offers a repair kit for these wires instead of buying a whole new wire harness. On most of these vehicles, If you have a code 41-44 you should check for weak battery voltage first. now the shop needs to check the wiring for poor grounds. I have seen that The transmission controller often goes bad causing these same codes, so be careful.

Parts/Tool List:
10mm socket (to remove top of air intake)
1" socket (to remove/tighten sensors)
standard screwdriver (to loosen hose clamps)
Vehicle Speed Sensor - INPUT
Vehicle Speed Sensor - OUTPUT

Removal/Installation:
The first step is to remove the airbox cover. This can be removed with a 10mm socket. Under the airbox cover is the actual airbox; remove the filter by unsnapping the clamps holding the lid in place. Maybe this is a good time to see if your filter needs to be replaced.

Once you've got the airbox cover and filter off, you should be able to see where the sensors are located on the transmission. On the left is the input sensor behind the Transmission Solenoid pack by the transmission dip stick tube , and on the right is the output sensor.

The input sensor is located just under two little hoses; remove the clamps and get those houses of the way. Make sure that you keep track of which hose goes on the left and which one goes on the right. To remove the sensor connector, there's a tab that lifts up, probably under the sensor. It lifts very easily, and the connector slides right off. If it's not coming right off, you haven't properly lifted the tab.

To remove the sensor, you need a 1" socket which should fit right over the terminal. The socket should also be large enough to clear the hose nipples. Note that with both of these sensors, the base is plastic. If you use anything other than a 1" socket, you'll rip the plastic to shreds and never be able to get the sensor off. USE the socket.

In most situation, the output sensor was covered in sludge, which may have been the source of the problem. Both the input and output sensors use some kind of magnetic receiving unit, and those magnets will pick up tiny metal shavings that are suspended in the transmission fluid. I suppose 10 years worth of buildup is enough to cause the sensor to throw bad signals. But maybe something on the inside caused the problem... so replacing it outright was the best decision.

Anyhow, after replacing the two sensors, the transmission problems 98% of the time will completely be resolved. No more weird cruise control issues, no more erratic speedometer, and no more 2-to-1 gear drops when coming to a stop. Problem solved. Good luck and merry xmass


Posted on Dec 15, 2009

motor1258

Mike Butler

  • 6674 Answers

SOURCE: Alarm is going off and the Plymouth Grand Voyager won't start.

Try using your key (after reconnecting battery) on the drivers door, to lock, and unlock it. There are so many different vehicles with different methods, you may have to call dealer service dept, with your VIN # and name, and they should be able to give correct procedure to disarm security system. Check owners manual as well.

Posted on Apr 28, 2010

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