DTC P0520 Buick
Rear Left Speaker. Signal Too High
Rear Left Speaker. Signal Too High
Description
If the Integrated Audio Module (IAM) registers that the signal is too high on the signal cable from the left-hand, rear speaker, then the Diagnostic Trouble Code (DTC) is generated. The diagnostic trouble code can be diagnosed when the ignition is on.
Cause and Solution
Short-circuit to voltage on the signal cable between the control module and the speaker.
Video Guide
Diagnostic Info
- DTC Code: P0520
- Brand: Buick