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DTC C0455, Service Rear Wheel Steering, System Jumps from 4-Wheel Steer to 2-Wheel Steer (Reprogram BCM)

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 Model Year), was released on TIS version 1.75 - broadcast to dealers on January 24, 2005.

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

N9518

Reprogram -- BCM

0.5 hr