Automatic transmission slips (AWR6B45)

1. Automatic transmission slips diagnostics

1. Slippage at vehicle start-up

1) Engine

  • Engine failure

2) Electronic system

  • Clutch control solenoid (SL1) malfunction
  • Line pressure control solenoid (SLT) malfunction
  • TCM self-diagnosis failure or internal malfunction

3) ATF

  • Insufficient ATF
  • Intrusion of water or ATF other than that specified
  • Burning ATF

4) Transmission assembly

  • Torque converter malfunction
  • Valve body malfunction
  • Transmission assembly internal malfunction
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