Audio Control Module Diagnostic Trouble Code (DTC) Index

WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.

DTC DETECTION CONDITION CHART

DTC	Description	Source	Action
B1317	Battery Voltage High	Audio Control Module	CLEAR the DTCs. REPEAT the audio control module self-test. If DTC B1317 is retrieved again, REFER to CHARGING SYSTEM - GENERAL INFORMATION to diagnose the charging system. CLEAR the DTCs. REPEAT the self-test.
B1318	Battery Voltage Low	Audio Control Module	CLEAR the DTCs. REPEAT the audio control module self-test. If DTC B1318 is retrieved again, REFER to CHARGING SYSTEM - GENERAL INFORMATION to diagnose the charging system. CLEAR the DTCs. REPEAT the self-test.
B1342	ECU is Faulted	Audio Control Module	CLEAR the DTCs. REPEAT the audio control module self-test. If DTC B1342 is retrieved again, REMOVE the audio control unit. REFER to AUDIO UNIT . SEND it to an authorized repair facility. CLEAR the DTCs. REPEAT the self-test after the repair.
B2405	Audio Disc CD Player Thermal Shutdown Fault	Audio Control Module	Allow unit to cool - Disregard.
B2406	Audio Disc CD Player Internal Fault	Audio Control Module	CLEAR the DTCs. REPEAT the audio control module self-test. If DTC B2406 is retrieved again, REMOVE the audio control unit. REFER to AUDIO UNIT . SEND it to an authorized repair facility. CLEAR the DTCs. REPEAT the self-test after the repair.
B2477	Module Configuration Failure	Audio Control Module	REFER to MODULE CONFIGURATION to continue diagnosis of the module configuration.
B2924	Audio Button Stuck	Audio Control Module	CLEAR the DTCs. REPEAT the audio control module self-test. If DTC B2924 is retrieved again, REMOVE the audio control unit. REFER to AUDIO UNIT . SEND it to an authorized repair facility. CLEAR the DTCs. REPEAT the self-test after the repair.
B2965	Audio System Speaker Circuit Fault	Audio Control Module	GO to PINPOINT TEST E .
U0073	Control Module Communication BUS Off	Audio Control Module	REFER to MODULE COMMUNICATIONS NETWORK to continue diagnosis of the communication network.
U1900	CAN Communication BUS Fault - Receiver Error	Audio Control Module	REFER to MODULE COMMUNICATIONS NETWORK to continue diagnosis of the communication network.