GS 450h V6-3.5L (2GR-FSE) Hybrid (2007)
Press and hold the Outside Air I Recirculated Mode button on the HVAC unit until the smog sensor screen appears.
5. Set the sensitivity level to 2 steps to the left of Medium.
6. Flash Reprogram the HV ECU.
NOTE
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The GR8 Battery Diagnostic Station MUST be used in Power Supply Mode to maintain battery voltage at 13.5 volts while flash
reprogramming the vehicle.
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For details on how to use the GR8 Battery Diagnostic Station, refer to the located on the Technical Information System (TIS), Diagnostics
Battery.
Follow the procedures outlined in TSIB No.L-SB-0015-10, "Techstream ECU Flash Reprogramming Procedure¼ and flash the ECM (PCM) with
the NEW calibration file update.
7. Install the Authorized Modifications Label.
A. Using a permanent marker enter the following information on the label:
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HV ECU part number [Refer to the Parts Information section for the CURRENT PART NUMBER]
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Calibration ID(s) [Refer to the Calibration Identification Chart for the NEW CALIBRATION ID]
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Dealer Code
^
Repair Date
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Change Authority [This TSIB number]
B. Affix the Authorized Modifications Label to the vehicle at the location shown in Figure 1. The Authorized Modifications Label is available
through the MDC P/N 00451-OOOO1-LBL.
8. Clear any DTCs then start the engine and warm it up to normal operating temperature. Test drive the vehicle to confirm normal operation.