XM Radio Intermittently Mutes And Changes Display After Installing PAL - keywords accessories accessory audio band channel entertainment ipod link mute personal sound zero

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Some customers may comment that intermittently, the radio will momentarily mute and display XM station zero while listening to an XM station. This condition only occurs after installation of a GM Accessories Personal Audio Link (PAL) system.

Engineering is investigating. No repair attempts should be made at this time.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.