Engine Vibration – 2002-2004 Lexus SC430

EG013-04 November 16, 2004   Title: ENGINE VIBRATION   Models: ’02 – ’04 SC430   Introduction Some customers may experience a rough idle when the vehicle is at a standstill and in gear (D position). This vibration is not noticed when the engine is under load above idle.   Applicable Vehicles   Production Change Information MODEL PRODUCTION … Read more

M.I.L. “ON” DTC P0420 – 2001-2003 Toyota Sienna

EG047-05 October 19, 2005   Title: M.I.L. “ON” DTC P0420   Models: ’01 – ’03 Sienna   Introduction Under certain driving conditions, some 2001 – 2003 model year Sienna vehicles may exhibit a M.I.L. “ON” with the following DTC: The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to improve … Read more

Active Height Control Relay – 2002-2003 Lexus LX 470

SU002-03 September 12, 2003   Title: ACTIVE HEIGHT CONTROL RELAY   Models: ’02 – ’03 LX 470   Introduction Some 2002 and 2003 model year LX 470 vehicles may exhibit a flashing AHC (Active Height Control) “OFF” light with DTC C1743 in AHC ECU memory. A change has been made to the Active Height Control … Read more

Accessory Drive Belt Noise – 2000-2006 Toyota Tundra

EG026-06R   2UZ-FE ACCESSORY DRIVE BELT NOISE   Models: ’00 – ’06 Tundra   TSB REVISION NOTICE: Previous versions of this TSB should be discarded.   Introduction Some customers may experience an abnormal squeal noise from the engine accessory drive belt area, usually during cold start–up. An improved accessory drive belt tensioner, A/C compressor bracket, … Read more

M.I.L. “ON” DTC P0171, P030#, AND/OR P0133 ENGINE RUNNING LEAN IN SUBFREEZING AMBIENT TEMPERATURES – 2000-2005 Toyota Celica

EG046-07 Title: M.I.L. “ON” DTC P0171, P030#, AND/OR P0133 ENGINE RUNNING LEAN IN SUBFREEZING AMBIENT TEMPERATURES Models: ’00 – ’05 Celica (1ZZ–FE)   Introduction Following a cold soak in subfreezing ambient temperatures, some 2000 – 2005 model year Celica vehicles equipped with a 1ZZ-FE engine may exhibit a M.I.L. “ON” with one or more of the following … Read more