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Home >> Dodge and Ram >> 2023 >> ProMaster 2500 >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio (Radio) (ETM) - DTCS B1400-11 To B157A-13 >> DTC Troubleshooting >> B1408-1A-Rear Left Audio Speaker Output-Circuit Resistance Below Threshold >> Theory Of Operation

Theory Of Operation

The Left Rear Speaker (+) circuit and the Left Rear Speaker (-) circuit are outputs of the Radio. The Radio controls and monitors these circuits for a concern.

For a detailed description of the Audio System. Refer to DESCRIPTION .

For additional information regarding the operation of the Audio System. Refer to OPERATION .