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December 20, 2012 Service bulletin

MIL ?ON? condition with Diagnostic Trouble Code (DTC) P219A or P219B present

Lexus technical service bulletin L-SB-0129-12 for 2012 Lexus RX350.

Bulletin number
L-SB-0129-12
Component
Power train: automatic transmission: control module (TCM/PCM/tecm)
Summary
Some 2012 model year RX 350 vehicles may exhibit a MIL ?ON? condition with Diagnostic Trouble Code (DTC) P219A or P219B present. The Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition occurring. Please follow the repair procedure below to address this condition.

Owners of these vehicles have filed 4 complaints in the transmission category.

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