Possible Causes
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1998 GMC Yukon, 1998 GMC Suburban, 1998 GMC Pickup, 1998 GMC Cab & Chassis, and 1998 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
Possible causes of this DTC include:
- Class 2 Data Bus malfunction.
- VCM/PCM malfunction.
- ATC control module installed in incorrect vehicle.
Ensure correct VIN number is received by ATC control module.