Radio Displays CLN or CLEAN. GMC Truck GMC K Sierra

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Sierra - 4WD 🢒 Body and Accessories 🢒 Entertainment 🢒 Radio Displays CLN or CLEAN

Step	Action	Value(s)	Yes	No
1	The CLN indicator is only a reminder that appears after 50 hours of operation. Clean the tape head with GM approved head cleaner. Reset the display by pushing and holding the eject button for 5 seconds. Does the display clear and start a new cycle?	--	System OK	Go to Step 2
2	Service the radio. Refer to Radio Replacement . Does the display clear and start a new cycle?	--	System OK	--

Step

Action

Value(s)

Yes

The CLN indicator is only a reminder that appears after 50 hours of operation.

Does the display clear and start a new cycle?

System OK

Service the radio. Refer to Radio Replacement .

Does the display clear and start a new cycle?

System OK