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Lexus RX400h Problems

RepairPal has identified the most common problems with the Lexus RX400h based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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4
Known Problems

Hybrid vehicles may notice a rocking or surging feeling at freeway speeds of 70mph. Our technicians tell us new software is available for the hybrid powertrain control module to correct this concern.

The Check Engine Light may illuminate with code P0AA6 stored for a hybrid battery isolation fault. Our technicians tell us this may be caused by water intrusion into the high voltage battery case. The water may be a result of cracking body seam dealer above the rear door strut mount. Any water leaks should be repaired and the high voltage battery system inspected for water damage and repaired and dried as necessary.

Our technicians tell us that GPS errors that may develop can generally be correct by installing an updated Navigation map disc..