Conditions For Clearing DTCS (All Models)

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.

ATC control module will clear DTC if condition for setting this DTC no longer exists. Stored DTC will clear after 100 ignition cycles without a fault present. Use scan tool to clear stored DTCs.

NOTE: For control module and select switch connector terminal location and identification on NV 246 transfer case, see Fig 1 -5. For circuit identification and wire colors see WIRING DIAGRAMS .

Fig 1: Identifying Automatic Transfer Case (ATC) Control Module Connector C1 Terminals

Courtesy of GENERAL MOTORS CORP.

Fig 2: Identifying ATC Control Module Connector C2 Terminals

Courtesy of GENERAL MOTORS CORP.

Fig 3: Identifying ATC Select Switch Connector C1 Terminals

Courtesy of GENERAL MOTORS CORP.

Fig 4: Identifying ATC Select Switch Connector C2 Terminals

Courtesy of GENERAL MOTORS CORP.