Sequoia 2WD V8-4.7L (2UZ-FE) (2003)
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Traction Control Module: Customer Interest
ABS/TCS - VSC Lamp ON/DTC C1231 Set
BRAKES
BR003-03
REVISED
Title:
VSC COMPUTER LOGIC MODIFICATION
FOR DTC C1231
Models:
'03 Sequoia
November 18, 2003
TSB REVISION NOTICE:
May 13, 2004: The Diagnostic Tester screen flows have been changed.
All previous versions of this TSB should be discarded.
Introduction
Some 2003 model year Sequoia vehicles may experience a VSC light ON condition with
DTC C1231 in the Skid Control Computer memory. A modification to the Skid Control Computer logic has been made to prevent this condition.
Applicable Vehicles
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2003 model year Sequoia vehicles produced BEFORE the Production Change Effective VIN shown below.
Production Change Information
Required SSTs