DTC P1825 Chevrolet
Engine Shaker Speaker Input - Performance Or Incorrect Operation
Engine Shaker Speaker Input - Performance Or Incorrect Operation
Description
The Engine Sound Enhancement Module (ESEM) (ANC) transmits a tuning sound through the Center I P Speaker, to reproduce the engine sound in the passenger compartment. The synthesized sound uses engine noise, vehicle speed, engine torque and accelerator position to reproduce the most correct sound in the passenger compartment to enhance the driving experience. The sound is processed according to the driving mode selector position. The system consists of a Shaker Microphone, the ESEM and the Center I P Speaker.
Cause and Solution
SHAKER MICROPHONE AND ESEM CONNECTIONSENGINE ON SIGNAL CIRCUIT OPENENGINE ON SIGNAL CIRCUIT SHORTED TO ANOTHER CIRCUITENGINE ON SIGNAL CIRCUIT SHORTED TO GROUNDENGINE ON SIGNAL CIRCUIT SHORT TO VOLTAGESHAKER MICROPHONEENGINE SOUND ENHANCEMENT MODULE (ESEM)
Video Guide
Diagnostic Info
- DTC Code: P1825
- Brand: Chevrolet