Yukon XL 2500 2WD V8-8.1L VIN G (2004)
Yaw Rate Sensor: All Technical Service Bulletins
TCS/ABS - Service Stability Message/Multiple DTC's Set
Bulletin No.: 05-05-25-003B
Date: February 22, 2006
TECHNICAL
Subject:
Service Stability Message On, Diagnostic Trouble Code (DTC) C0131, C0196, C0290 and/or C0292 Set (Inspect/Replace Yaw Rate Sensor/Lateral
Accelerometer 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)
Supercede:
This bulletin is being revised to update model years. Please discard Corporate Bulletin Number 05-05-25-003A (Section OS - Brakes).
Condition
Some customers may comment on a Service Stability Message on the Drivers Information Center (DIC).
Diagnosis with a scan tool may indicate a DTC C0131, C0196, C0290 and/or C0292 is set.
Cause
There are two possible causes for this issue. Both possible causes are listed below:
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An internal fault within the yaw rate sensor/lateral accelerometer, P/N 15189628, may be the first possible cause.
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The vehicle stability enhancement system (VSES) electronic brake traction control module (EBCM) calibration may be the second possible cause.
DTC Diagnostic Information
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DTC C0131
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DTC C0196
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DTC C0290 or C0292 (w/JL4)
Correction
Follow the procedure below to inspect the part number on the yaw rate sensor/lateral accelerometer.
1.
Inspect the part number on the yaw rate sensor/lateral accelerometer.
2.
Remove the passenger seat from the vehicle in order to gain access to the sensor. Refer to Seat Replacement - Front Bucket in Seats.
3.
Pull the carpet back in order to gain access to the sensor.
Important:
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OLD yaw rate sensors/lateral accelerometers have a part number on the sensor bracket of P/N 15189628.
IMPROVED yaw rate sensors/lateral accelerometers have a part number on the sensor bracket of P/N 15220053.
4.
Inspect the yaw rate sensor/lateral accelerometer part number located on the sensor bracket.
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OLD yaw rate sensors/lateral accelerometers have a part number of P/N 15189628.
^
IMPROVED yaw rate sensors/lateral accelerometers have a part number of P/N 15220053.