Matrix L4-1.8L (1ZZ-FE) (2008)
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Engine Control Module: All Technical Service Bulletins
Engine Controls - ECM Identification Precautions
T-SB-0378-08
November 26, 2008
1ZZ-FE Engine Control Module (ECM) Parts Information
Service Category
Engine/Hybrid System
Section
Engine Control
Market
USA
Applicability
Introduction
The purpose of this TSB is to provide the Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) parts information necessary for
proper identification and vehicle application.
A vehicle with an incorrect ECM (PCM) installed may cause one or both of the following conditions:
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M.I.L. "ON" DTC P0741 Torque Converter Clutch Solenoid Performance (Shift Solenoid Valve SL).
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Failure to complete On-Board Diagnostic (OBD II) Readiness Monitors.
NOTE
If the part number is correct, the ECM (PCM) is NOT the cause of the DTC or OBD II Readiness Monitor concern.
Warranty Information