TOW/HAUL Warning Not Operating Properly. GMC Truck GMC C Sierra

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC C Sierra - 2WD 🢒 Engine 🢒 Engine Electrical 🢒 TOW/HAUL Warning Not Operating Properly

Step	Action	Value(s)	Yes	No
1	Was the instrument panel cluster (IPC) system check performed?	--	Go to Step 2	Go to Instrument Cluster System Check
2	Turn the ignition switch to the ON position. With a scan tool select instrument panel cluster, special functions, and lamp test. Command the Tow/Haul lamp ON. Does the Tow/Haul lamp turn ON and OFF when commanded?	--	Go to Diagnostic System Check - Body Control System	Go to Step 3
3	Replace the instrument cluster. Refer to Instrument Cluster Replacement . Is the repair complete?	--	Go to Instrument Cluster System Check	--

Step

Action

Value(s)

Yes

Was the instrument panel cluster (IPC) system check performed?

Turn the ignition switch to the ON position.
With a scan tool select instrument panel cluster, special functions, and lamp test.
Command the Tow/Haul lamp ON.

Does the Tow/Haul lamp turn ON and OFF when commanded?

Replace the instrument cluster. Refer to Instrument Cluster Replacement .

Is the repair complete?