Possible reasons for the lack of reverse gear in the Mitsubishi RVR automatic transmission:
Mechanical faults:
*Damage or wear of reverse clutches
* Damage to reverse gears or shafts
*Low transmission fluid level
* Clogged automatic transmission oil filter
Electrical faults:
* Reverse solenoid malfunction
* Malfunction of the automatic transmission control unit
* Broken or damaged wiring
Hydraulic faults:
* Clogged or damaged valve body
* Malfunction of the automatic transmission oil pump
* Low pressure in the automatic transmission system
How to fix the problem:
* Check the level and condition of the transmission fluid: If the fluid level is low, add it. If the fluid is dark or smells burnt, replace it and the filter.
* Scan for trouble codes: Connect the scanner to the vehicle’s OBD-II port and check for automatic transmission-related trouble codes.
* Check electrical circuits: Check the wiring leading to the automatic transmission control unit and solenoids.
*Remove and inspect the automatic transmission: If other diagnostic steps do not reveal the cause, it may be necessary to remove the automatic transmission for further inspection and repair.
Notes:
* Most troubleshooting requires special tools and knowledge.
*If you are unsure of your technical abilities, take it to a qualified mechanic for diagnosis and repair.
* A faulty automatic transmission can be dangerous and may cause further damage. Therefore, it is important to resolve the problem as soon as possible.