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Circuit Description The Service 4WD indicator is located in the instrument panel cluster (IPC) and shares the Test Description The number below refers to the step number on the diagnostic table. 2: This step determines whether the failure is the result of a malfunctioning transfer case Service Indicator Always On Step Action Yes No Schematic Reference: Transfer Case Control Schematics 1 Did you perform the Diagnostic System Go to Step 2 Go to 2 Observe the Service 4WD parameter Go to Step 3 Go to Step 4 3 Replace the transfer case shift control module. Go to Step 5 - 4 Replace the IPC. Refer to Instrument Go to Step 5 - 5 1. Use the scan tool in order to clear the DTCs. 2. Operate the vehicle in order to
2007 Hummer H3 2007 TRANSMISSION Transfer Case - BW 4493/4494 - H3
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