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Service bulletin TE0014

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 id620043
Published by NHTSA2001-07-10
Manufacturer's numberTE0014
Manufacturer's date2001-02-12
NHTSA componentELECTRICAL SYSTEM:IGNITION:MODULE

NHTSA's summary

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

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

Trouble codes named

P0171, P0174, P1130, P1133, P1150, P1155

Vehicles listed
TOYOTA HIGHLANDER2001

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
SS002012003-10-14. Service bulletin. ECU (ELECTRONIC CONTROL UNIT) FLASH REPROGRAMMING PROCESS. *TT
SS002012001-05-14. Service bulletin. ECU (ELECTRONIC CONTROL UNIT) FLASH REPROGRAMMING PROCESS. *TT