LS 600h V8-5.0L (2UR-FSE) Hybrid (2008)
_hybrid/Page-1634001.png)
PROM - Programmable Read Only Memory: Customer Interest
Engine Controls - MIL ON/DTC's P0731/P0732 Set
L-SB-0009-09
February 5, 2009
M.I.L. "ON" DTC P0731/P0732
Service Category
Drivetrain
Section
Hybrid Transmission/Transaxle
Market
USA
Applicability
Introduction
Some vehicles may exhibit a M.I.L. "ON" condition with one or more of the following Diagnostic Trouble Codes (DTCs):
^
P0731 - Gear 1 Incorrect Ratio
^
P0732 - Gear 2 Incorrect Ratio
The HV ECU logic and transmission pressure switches have been updated to correct these conditions. Follow the repair procedure in this bulletin to
address customer concerns.
The DTC will determine which pressure switch will be replaced:
^
P0731 will be corrected by oil pressure switch No.2 (PB2) replacement.
^
P0732 will be corrected by oil pressure switch No.1 (PBI) replacement.
Production Change Information
This TSIB applies to vehicles produced BEFORE the Production Change Effective VINs shown.
Warranty Information
^ Op Code TC8011: This repair is covered under the Lexus Comprehensive Warranty. This warranty is in effect for 48 months or 50,000 miles,
whichever occurs first, from the vehicle's in-service date.
