Yukon/Denali 2WD V8-4.8L VIN V (2005)
Electronic Brake Control Module: Customer Interest
ABS - 'Service Stabilitrak(R)' Message/DTC C0455 Set
Bulletin No.: 05-05-25-008
Date: October 05, 2005
TECHNICAL
Subject:
Service Stabilitrak(R) Message or Intermittent Stabilitrak(R) Activation During Normal Driving, Diagnostic Trouble Code (DTC) C0455
(Inspect/Repair Steering Wheel Position Sensor (SWPS) Connector and Reprogram Electronic Brake Control Module (EBCM))
Models:
2004-2006 Cadillac Escalade Models
2004-2006 Chevrolet Avalanche, Suburban, Tahoe
2004-2006 GMC Yukon Models
with Control, Active Brake (RPO JL4)
Condition
Some customers may comment on a Service Stabilitrak(R) message or intermittent Stabilitrak(R) activation during normal driving.
When interrogating with the Tech 2(R), the technician may find a DTC C0455.
Cause
There are multiple possible causes for this issue. This bulletin will address the two most likely causes.
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A bent terminal or poor connection at the SWPS may be one possible cause.
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The vehicle stability enhancement system (VSES) electronic brake control module (EBCM) calibration may be the other possible cause.
Correction
1.
Remove the SWPS connector located at the base of the STRG column.
2.
Inspect the SWPS connector terminals for bent of loose terminals.
3.
Inspect the SWPS terminals for bent or loose terminals.
Important:
DO NOT replace the SWPS or connector if bent or loose terminals are found.
4.
If either the SWPS terminals or SWPS connector terminals are bent or loose, repair the terminals.
5.
Reprogram the VSES EBCM with TIS version 9.0 released on 9/04/05 or later.
Warranty Information
