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2003 GMC Sierra 1500 Denali 6.0L Service 4 wheel steering
Posted to GM Chassis on 6/27/2013 5 Replies

Thank you in advance, we have a code CO455 Service 4 Wheel Steering System. We found the TSB to reflash the BCM. Reflashed and code and problem still present. Followed the tree and concluded the sensor was faulty. Installed a new postion sensor and still have ...

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  Related Documents & Media  2003 GMC Sierra 1500 Denali

 
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car Vehicle Data

2003 GMC Sierra 1500 Denali

VIN 2GTFK69U43
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedService 4 Wheel Steering
ConditionsCode Co455
Message Closed

car Vehicle Data

2003 GMC Sierra 1500 Denali

VIN 2GTFK69U43
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedService 4 Wheel Steering
ConditionsCode Co455