Possible reasons for the lack of reverse gear in a Chrysler Voyager with automatic transmission:
Transmission problems:
* Reverse solenoid malfunction
* Wear of the reverse friction clutch
* Damage to the reverse gear or gear
Electrical system problems:
* Damage to the wiring to the reverse solenoid
* Malfunction of the automatic transmission switch
* Malfunction of the automatic transmission control module
Mechanical drive problems:
* Insufficient transmission fluid level
* Transmission fluid contamination
* Worn drive shaft or spline
Other possible reasons:
* Faulty gear selector position sensor
*Damage to selector cable
Diagnostics and repair:
1. Check the level and condition of the transmission fluid.
2. Replace the transmission fluid and filter if they are dirty.
3. Check the wiring and connectors leading to the reverse solenoid.
4. Check the reverse solenoid with a tester.
5. Check the gear selector switch and automatic transmission control module.
6. Check the gear selector position sensor.
7. Check the gear selection cable.
8. If the above steps do not work, contact a qualified mechanic for further diagnosis and repair.