Faulty Speaker Output 7
Speaker Output 7 harness is open or shorted
Speaker Output 7 circuit poor electrical connection
Engine Light ON (or Service Engine Soon Warning Light)
The Up-Level radio (UQA) supplies 4 channels of audio to an amplifier. The amplifier supplies 6 input signal channels to 8 speakers. The radio sets a current status for this Diagnostic Trouble Code (DTC) when a short to ground, short to voltage or an open is detected on any of the 6 speaker channel outputs from the radio.