Engine/Transmission Controls - MIL ON/DTC's Set

TRANSMISSION & CLUTCH
TC004-04

Title:
M.I.L. "ON" DTC P0748, P0798, P0985
OR P0986

Models:
'04 RX 330

May 12, 2004

Introduction
Some 2004 model year RX 330 vehicles may exhibit a M.I.L. "ON" condition with one of the following DTCs:

^ P0748 (Pressure Control Solenoid "A" Electrical- SLT Solenoid)

^ P0798 (Pressure Control Solenoid "C" Electrical - SL3 Solenoid)

^ P0985 (Shift Solenoid "E" Control Circuit Low - SR Solenoid)

^ P0986 (Shift Solenoid "E" Control Circuit High - SR Solenoid)

One of these codes may be stored as a result of Engine Control Module or ECM
(SAE term: Powertrain Control Module/PCM) manufacturing issues. Replacement of the ECM will correct this condition.

Applicable Vehicles

^ 2004 model year RX 330 vehicles produced BEFORE the Production Change Effective VINs shown below.





Production Change Information





Warranty Information

Applicable Warranty:

This repair is covered under the Lexus Specified Major Emission Control Component Warranty. This warranty is in effect for 96 months or 80,000 miles, whichever occurs first, from the vehicle's in-service date.

* Warranty application is limited to correction of a problem based upon a customer's specific complaint.





Parts Information





Required Tools & Material





Required SSTs

NOTE:
Additional Diagnostic Tester Kits, Program Cards or other SSTs may be ordered by calling SPX/OTC at 1-800-933-8335.

Repair Procedure

1. Follow repair manual diagnostics for applicable DTC (P0748, P0798, P0985 or P0986). Refer to the Technical Information System (TIS) 2004 model year RX 330 Repair Manual: Diagnostics: Electronic Controlled Automatic transaxle: P0748 or P0798 or P0985 or P0986.

2. If circuit tests OK per repair manual - replace the ECM (PCM).