U0186 Lost Communication With Audio Amplifier

U0186 code

Note: This DTC detected in the ORC Module

U0186 code - When monitored continously when the ignition is on. The battery voltage is between 10-16 volts. Ignition off Draw (IOD) fused installed. Totally Integrated Power Module (TIPM) is configured correctly. Set condition this dtc Bus messages not received from the Audio Amplifier for approximately two five seconds.

Possible causes U0189 code:

- Can Bus Circuits Open or Shorted

- DTCS Related to Battery Voltage, Ignition, or Vin Messages

- Amplifier Power and Ground

- TIPM Not Configurated Correctly

- Amplifier

- Module That Set This DTC

Diagnostic test U0186 code

Step 1. Verify The Diagnostic Trouble Code (DTC) Is Active

Make sure the IOD fuse is installed and the battery is fully charged before proceeding. Turn the ignition on, with the scan tool, read the active DTCs.

Is this DTC active?

    Yes, refer to Totally Integrated Power Module (TIPM) DTC group.

    No, refer to  Non-DTC Diagnostics/Communication.

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