C 2500 Suburban 2WD V8-454 7.4L VIN J SFI (1998)
Diagnostic Chart
IMPORTANT: Whenever the transmission 20-way connector is disconnected and the engine is running, multiple DTCs will set. Clear any DTC codes
after finishing the procedure.
Diagnostic Chart
IMPORTANT: Whenever the transmission 20-way connector is disconnected and the engine is running, multiple DTCs will set. Clear any DTC codes
after finishing the procedure.