One problem related to automatic transmission control module has been reported for the 2004 Lexus RX. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Lexus RX based on all problems reported for the 2004 RX.
: the contact stated while driving 10 mph on normal road conditions, the automatic transmission hesitated when making the shift from first to second gear and from second to third gear as well. There were no warning lights indicating a failure in the automatic transmission. The vehicle had been taken seven times to the dealership where the software had been reset several times however, the defect was not corrected. The manufacturer was not alerted. The contact was very concerned because there was no satisfactory resolution.
| Automatic Transmission problems | |
| Vehicle Shudder problems | |
| Power Train problems | |
| Automatic Transmission Control Module problems | |
| Noises During Shifting problems |