B1140
B1140
DTC B1140, sometimes indicated as B114000 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle body.
Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.
2004 TOYOTA SEQUOIA with 170000. miles
When temperatures fall to 32 degrees f (sometimes higher) or below airbag light illuminates on 2004 Toyota Sequoia. When the car is started the srs (airbag) light illuminates in cold temperatures. After car warms up and if the car is turned off and back on srs light will go back off. Following airbag codes are stored in srs airbag module (ecu): B1141 B0116 this is a known problem by Toyota since 2004 but they are not recalling this part or offering replacement. Affected part number: 89170-0c070 this is especially dangerous since it disables all airbags. The only repair option is to replace the airbag ecu that has been updated. This affects the following vehicles: 2003 - 2004 Toyota Sequoia 2001 - 2003 Toyota highlander here is the official Toyota technical service bulletin: air bag system - mil on/dtc's B1140/B1141 set electrical el007-04 title: m.I.L. "on" dtc B1140 & B1141 models: '03 - '04 Sequoia may 26, 2004 introduction under certain cold conditions (approximately 0f /-18c or below), some 2003 and 2004 model year Sequoia vehicles equipped with side airbags may exhibit a m.I.L. "on" condition with a diagnostic trouble code (dtc) B1140 or B1141 stored in the airbag ecu memory. To prevent a m.I.L. "on" condition, the airbag ecu has been updated. Applicable vehicles ^2003 - 2004 model year Sequoia vehicles equipped with side airbags and produced before the production change effective vins shown. Many people are affected by this: https://www.Toyotanation.Com/threads/airbag-error-light-when-cold.369378/ https://www.Toyotanation.Com/threads/air-bag-light-flashing.229336/ https://repairpal.Com/air-bag-light-due-to-defective-sensor-in-air-bag-system-921 https://www.Toyotanation.Com/threads/blinking-airbag-light-when-very-cold.182500/ many more people are affected if you google this issue.
AIR BAGS, AIR BAGS
2002 LEXUS RX300 with 110000. miles
Lexus has not assembled/secured the airbag wiring proper underneath of seat and prompts the B1140 right-hand side air bag sensor assembly B1141 left-hand side air bag sensor assembly codes in 2002 Rx300 models. This is one of the most common problem on this vehicle and can be deadly for these cars considering the airbags want deploy in an accident because of the lose and not properly secured wiring. Dealer asks $1800 to get this corrected where as this is a manufacturing defect. Needs a recall for both (left/right) seats airbag wiring/ecm circuits.
SEATS, AIR BAGS