For 1990-2009 cars only
Heart Beat Type Noise From Radio When Turn Signal On - keywords flash flasher hazard pop sound speaker thumb volume
| Subject: | Heart Beat Type Noise From Radio When Turn Signal On |
| Models: | 2007-2008 Chevrolet Avalanche, Silverado, Tahoe, Suburban |
| 2007-2008 GMC Sierra, Yukon, Yukon XL |
| With RPO UQA Amplifier and US8 or US9 Radio |
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
Some owners may comment of a faint heart beat type noise from the radio when the turn signals or hazard flasher are activated. This noise is normally heard with the radio off or the volume at a low setting.
Recommendation/Instructions:
This is a normal characteristic and no repairs should be made.
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.
