Engine of the vehicle with automatic transmission stalls (AWR6B45)

1. Engine of the vehicle with automatic transmission stalls diagnostics

1. The engine stalls when shifting from the N range to the D range or the R range.

1) Engine

  • Engine failure

2) Electronic system

  • Shift solenoid (SL) malfunction
  • Lock-up control solenoid (SLU) malfunction
  • TCM self-diagnosis failure or internal malfunction

3) ATF cooling system

  • Bent or clogged cooler pipe
  • Improper installation, breakage of the cooler pipe

4) Transmission assembly

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

2. Engine stalls at decelerating.

1) Engine

  • Engine failure

2) Electronic system

  • Shift solenoid (SL) malfunction
  • Lock-up control solenoid (SLU) malfunction
  • TCM self-diagnosis failure or internal malfunction

3) Transmission assembly

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