Canada - Engine, A/T Controls - MIL ON/Multiple DTC's Set

Bulletin
2004

Issue Date
June 07, 2004

Market
Canada

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

Model
"04 Solara

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

- P0748 (Pressure Control Solenoid 'A' Electrical--SL1 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 ECM will correct this condition.

APPLICABLE VEHICLES:
- 2004 model year Solara vehicles equipped with 3MZ-FE engines produced BEFORE the Production Change Effective VINs shown below.







PRODUCTION CHANGE INFORMATION:







WARRANTY INFORMATION:







PARTS INFORMATION:







REQUIRED SSTs:

REPAIR PROCEDURE:
1. Follow repair manual diagnostics for applicable DTC (P0748, P0798, P0985 or P0986) Refer to ETAS, 2004 model year Solara Repair Manual:
Section: Diagnostics;
Subsection: SFI system; P0748 or P0798 or P0985 or P0986

2. If circuit tests OK per repair manual -- replace ECM.

NOTE:
Following ECM replacement, the vehicle will not start until the ECM Communication I.D. Registration is completed. To register the ECM Communication ID, refer to the ETAS 2004 model year Solara Repair Manual: Section: Diagnostics
Subsection: Engine Immobilizer System; Registration; ECU Communication I.D. Registration

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.