Celica L4-1.8L (1ZZ-FE) (2004)
Engine Control Module: Customer Interest
Engine Controls - MIL ON/Misfire DTC's Set
ENGINE
EG031-04
Title:
M.I.L. "ON" DTC P0300
(RANDOM MISFIRE)
AND/OR P030#
(SINGLE CYLINDER MISFIRE)
Models:
'03 - '04 Celica (1ZZ-FE, Manual Transmission)
August 11, 2004
Introduction
Under certain conditions, some 2003 - 2004 model year Celica vehicles may exhibit M.I.L. "ON" with DTC P0300 (Random Misfire) and/or P030 #
(Single Cylinder Misfire). The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to correct this
condition.
Applicable Vehicles
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2003 - 2004 model year Celica vehicles equipped with 1ZZ-FE engine and manual transmission produced BEFORE the Production Change Effective
VIN shown below.
Production Change Information
Parts Information
Required SSTs
Warranty Information