LS 460 V8-4.6L (1UR-FSE) (2007)
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1.
Check for the Authorized Modifications Label affixed to the vehicle in the location shown in Figure 1. Confirm if the ECM (PCM) calibration has
been updated.
If the calibration ID listed is NOT the latest ECM (PCM) calibration go step 2. If the calibration ID listed is the latest ECM (PCM) calibration go
to Repair Procedure B.
2.
Flash reprogram the ECM (PCM).
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The GR8 Battery charger MUST be used in Power Supply Mode to maintain battery voltage at 13.5 volts while flash reprogramming the
vehicle.
^
For details on how to use the GR8 Battery charger please refer to the GR8 Instructions Manual, located on the Technical Information System
(TIS), Diagnostics - Battery.
Follow the procedures outlined in TSIB No. SS002-07, "Techstream ECU Flash Reprogramming Procedure, " and flash the ECM (PCM) with the
NEW calibration file update.
3.
Install the Authorized Modifications Label.
A.
Using a permanent marker, enter the following information on the label:
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ECM (PCM) part number: [Refer to the Parts Information section for the CURRENT PART NUMBER]
^
Calibration ID(s): [Refer to the Calibration Identification Chart for the NEW CALIBRATION ID]
^
Dealer Code
^
Repair Date
^
Change Authority (this TSIB number): EG014-07
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 00451-00001-LBL.
4.
Confirm that the ECM recalibration addressed the customer concern. If the knocking noise is gone, the repair is complete. If the noise is still
present, go to Repair Procedure B.
Repair Procedure B
