Problems for specific Dodge Grand Caravan years:
Car problem reports
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Most reported Dodge Grand Caravan problems
Defective speed sensors on the transmission can cause problems with the cruise control and speedometer operation, as well as erratic shifting. The connectors on the sensors can corrode and/or the connector terminals can spread (poor connection), which will create similar symptoms. Any of these problems can cause Check Engine Light illumination.
Problems with the wiper parking circuit or wiper motor can cause the windshield wipers not to stop in the proper position.
If you have to press the remote button numerous times to open the power liftgate, it may be necessary to update the software in the power liftgate module to correct this issue.
Software updates are available that may help with harsh shifting issues. Software updates are commonly more effective on newer vehicles. It is possible for a mechanical failure to also cause a harsh shifting problem. Whenever mechanical transmission repairs are performed, the software should be checked and updated as necessary.
Under heavy acceleration in temperatures above 80° F, an engine spark knock can be heard. The powertrain control module may require replacement.
Voltage spikes can cause erratic behavior in the electrical system (lights, locks, wipers, head lamps). This is often caused by relays. Inspection and replacement of relays is required; revised relays are available.
The airbag warning light may remain illuminated while the ignition switch is in the "on" position. This can be caused by water that has entered into the airbag six-way connector in the engine compartment.