One problem related to power train driveline has been reported for the 2006 Toyota Avalon. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Toyota Avalon based on all problems reported for the 2006 Avalon.
The problem seems related to the powertrain control module problem never occurs when the vehicle is cold or from a stopped position. Problem is not consistent on average occurring once a day description of problem: in parking lot or after lot of low speed driving form traffic problem occurs?. . Accelerate the rpms race on the tach and the speedometer is out of sink there is a delayed response a shudder, shift timing feels off kilter, erratic hunting, then a harsh forward this may be a one time event or several in succession and then returns to normal shifting pattern 2- cruising 30 mph problem occurred gave it some gas. . . Tach shot to 4k delayed forward engaging then the car drove itself for 1/4 mile without me touching the accelerator 2006 Toyota Avalon.