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Service bulletin SS00201

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10003249
Published by NHTSA2003-10-14
Manufacturer's numberSS00201
Manufacturer's date2001-03-09
ReplacesSS00201
NHTSA componentELECTRICAL SYSTEM:IGNITION:MODULE

NHTSA's summary

ECU (ELECTRONIC CONTROL UNIT) FLASH REPROGRAMMING PROCESS. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Ignition

Vehicles listed
TOYOTA 4 RUNNER2001
TOYOTA CAMRY2002
TOYOTA HIGHLANDER2001
TOYOTA LAND CRUISER2001
TOYOTA RAV42001
TOYOTA SEQUOIA2001
TOYOTA TACOMA2002
TOYOTA TUNDRA2001

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
TE00142001-07-10. Service bulletin. SUBJECT REGARDING ELECTRONIC CONTROL UNIT (ECU) REPROGRAMMING SUPPORT. CERTAIN 2001 FOUR CYLINDER VEHICLES, IF DRIVEN AT TEMPERATURES BELOW 30 DEGREES F, MAY DISPLAY A MALFUNCTION INDICATOR LAMP (MIL) AND STORE ONE OR MORE OF THE FOLLOWING DIAGNOSTIC TROUBLE CODES: P0171, P0174, P1130, P1133, P1150, OR P1155. IF THESE CODES ARE SET, AIR / FUEL RATIO SENSORS, BANK ONE, SENSOR ONE AND BANK TWO, SENSOR ONE ARE LIKELY DAMAGED AND BOTH SENSORS WILL NEED TO BE REPLACED. TO AVOID DAMAGING THE REPLACEMENT AIR / FUEL RATIO SENSORS DURING COLD WEATHER DRIVING THESE VEHICLES WILL NEED THEIR ECU REPROGRAMMED. *TT
SS002012001-05-14. Service bulletin. ECU (ELECTRONIC CONTROL UNIT) FLASH REPROGRAMMING PROCESS. *TT