Symptoms - Entertainment. GMC Truck Yukon XL Denali 2006

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2006 🢒 Yukon XL Denali 🢒 General Information 🢒 Vibration Diagnosis and Correction 🢒 Symptoms - Entertainment

Important: Review the system operation in order to familiarize yourself with the system functions. Refer to Radio/Audio System Description and Operation .

•	Inspect for aftermarket devices which could affect the operation of the Radio/Audio system. Refer to Checking Aftermarket Accessories.

•	Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections.

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

•	Radio Poor Reception

•	Digital Radio Poor or No Reception

•	Audio Distortion - One or More Speakers

•	Remote Playback Device Inoperative

•	Remote Playback Device - Audio Noise

•	Remote Playback Device Left or Right Channel Inoperative

•	Radio Displays LOC, LOCKED, or CODE

•	Radio Displays CLN or CLEAN

•	Radio Displays CAL or CAL ERR

•	Tape Player Weak, Slow, or Garbled Output

•	Reduced Volume - One or More Speakers

•	Speakers Inoperative - One or More

•	Video Entertainment System Inoperative

•	Radio Audio Inoperative at Rear Seat Audio (RSA) Control