Silverado 2500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
Body Control Module: Customer Interest
Steering - 'Service Rear Wheel Steering' Message
Bulletin No.: 05-02-118-002
Date: February 03, 2005
TECHNICAL
Subject:
DTC C0455, "Service Rear Wheel Steering", System Jumps from 4-Wheel Steer to 2-Wheel Steer (Reprogram BCM)
Models:
2003-2005 Chevrolet Silverado, Suburban
2003-2005 GMC Sierra, Yukon XL
with 4-Wheel Steer (RPO NYS)
Condition
Some customers may comment that the system will jump from 4-wheel steer to 2-wheel steer and the DIC displays the message "Service Rear Wheel
Steering". Diagnosis will show DTC C0455-Front Steering Position Sensor malfunction.
Cause
This condition may be caused by a Class2 communication issue.
Correction
Reprogram the BCM.
2005 Model Year Vehicles:
New software calibration, P/N 15248410, was released on TIS version 12 - broadcast to dealers on December 4, 2004.
2003-2004 Model Year Vehicles:
New software calibration, P/N 15259330 ('03 Model Year) and P/N 15259331 ('04 04 Model Year), was released on TIS version 1.75 - broadcast to
dealers on January 24, 2005.
Warranty Information
For vehicles repaired under warranty, use the table.
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