Canada - Engine Control - MIL ON DTC P0335
Bulletin2403
Issue Date
May 10, 2007
Title
M.I.L. "ON" DTC P0335
Component
ENGINE ELECTRICAL
Models
'07 GS 450h
INTRODUCTION:
Some 2007 model year GS 450h vehicles may experience a M.I.L. "ON" condition with DTC P0335 (Crankshaft Position Sensor "A" Circuit) present. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been improved to address this concern.
APPLICABLE VEHICLES:
- 2007 model year GS 450h vehicles produced BEFORE the Production Change Effective VIN shown below.
PRODUCTION CHANGE INFORMATION:
PARTS INFORMATION:
WARRANTY INFORMATION:
REQUIRED SSTS:
CALIBRATION IDENTIFICATION CHART:
REPAIR PROCEDURE:
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 to step 2.
2. Flash Reprogram ECM (PCM).
NOTE:
The Midtronics Battery charger MUST be used in Power Supply Mode to maintain battery voltage at 13.5 volts while flash programming the vehicle.
Follow the procedures outlined in TSB2401, "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:
- 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 TSB number): TSB2403
B. Affix the Authorized Modifications Label to the vehicle at the location shown in Figure 1. The Authorized Modifications Label is available through the PDC, P/N 00451-00001-25.
4. The repair is complete. Test drive the vehicle to confirm normal operation.
NOTE:
Issue of this Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.