Possible reasons for automatic transmission slipping when starting off:
1. Low or dirty transmission fluid
* Provides lubrication and hydraulic pressure for gear shifting.
* Low level or dirty fluid can lead to slippage and damage to the automatic transmission.
2. Faulty solenoids
* Control the flow of transmission fluid in the automatic transmission.
* Faulty solenoids can cause slippage if they do not provide enough pressure.
3. Worn friction packs
*Transfer power from the engine to the transmission.
* Worn friction packs can slip, causing slippage.
4. Faulty torque converter
* Converts engine torque into force to rotate the wheels.
* A faulty torque converter can cause slipping if it does not transmit enough power.
5. Worn fluid coupling
* Locks the torque converter at higher speeds.
* A worn fluid coupling can cause slipping when shifting to higher gears.
6. Faulty sensors
* Provides information to the Transmission Control Module (TCM) to control gear shifting.
* Faulty sensors can cause improper shifting and slipping.
7. Electrical problems
* Damaged wiring or faulty electrical components can disrupt power to the automatic transmission and cause it to slip.
Troubleshooting Suggestions:
* Check the level and condition of the transmission fluid.
* Diagnose automatic transmission solenoids.
* Inspect the friction packs and torque converter for wear.
* Check the fluid coupling and automatic transmission sensors.
*Repair any electrical problems found.
It is important to see a mechanic immediately for diagnosis and repair to prevent further damage to the automatic transmission.