Scantool Diagnostics

Active Air Flap
U0101 Lost Communication With TCM - Scantool Diagnostics

Monitor Scantool Data

1. Engine "ON".
2. Warm up the engine until the temperature reaches the normal temperature at EV mode with engine start.
3. Using scantool, check if there is an error in TCU system.
If there is an error in TCU system, first do a troubleshooting for those system and then check A.A.F system.
4. Is the same DTC displayed again?