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Symptom Chart - Sound Quality

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Condition Possible Sources Action
A loud popping sound is heard when cycling the ignition Refer to the Pinpoint Test GO to Pinpoint Test AU .
Poor sound quality or distorted sound from one or more speakers (not all speakers) Refer to the Pinpoint Test GO to Pinpoint Test D .
No sound from all speakers Refer to the Pinpoint Test GO to Pinpoint Test E .
The speed compensated volume is inoperative or does not operate correctly Refer to the Pinpoint Test GO to Pinpoint Test C .
The instrument panel center speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test L .
The LF door speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test F .
The RF door speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test G .
The LF tweeter speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test H .
The RF tweeter speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test I .
The RR door speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test K .
The LR door speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test J .
The LH D-pillar speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test M .
The RH D-pillar speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test O .
The subwoofer speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test N .
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