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THX® Amplifier DTCS

THX® AMPLIFIER DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Action
B1158 Subwoofer #2 Open Go to Pinpoint Test C .
B1317 Battery Voltage High CLEAR the DTCs. REPEAT the self-test. If DTC B1317 is retrieved again, REFER to CHARGING SYSTEM - GENERAL INFORMATION to diagnose the over-charging condition.
B1318 Battery Voltage Low CLEAR the DTCs. REPEAT the self-test. If DTC B1318 is retrieved again, REFER to CHARGING SYSTEM - GENERAL INFORMATION to diagnose the low battery voltage condition.
B1342 ECU is Faulted CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new THX® amplifier. REFER to Audio Amplifier - THX® . TEST the system for normal operation.
B2477 Module Configuration Failure REFER to MODULE CONFIGURATION to diagnose the module configuration.
B2913 Audio Subwoofer Not Connected Go to Pinpoint Test C .
B2925 Subwoofer Speaker Short Circuit Go to Pinpoint Test C .
B292A Subwoofer #2 Speaker Short Circuit Go to Pinpoint Test C .
B2965 Audio System Speaker Circuit Fault Go to Pinpoint Test C .
C1992 Vehicle Speed Circuit Failure DTC is not applicable. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
U0155 Lost Communication With Instrument Panel Cluster (IC) Control Module
NOTE: Diagnose DTC B1318 (if present) before diagnosing this DTC.
VERIFY the operation of the speedometer.
  • If the speedometer operates correctly, INSTALL a new THX® amplifier. REFER to Audio Amplifier - THX® . TEST the system for normal operation.
  • If the speedometer does not operate correctly, REFER to INSTRUMENT CLUSTER to continue diagnosis.
U0184 Lost Communication With Radio (ACM)
NOTE: Diagnose THX® amplifier or audio unit DTC B1318 (if present) before diagnosing this DTC.
CARRY OUT the audio unit self-test using the scan tool.
  • If the scan tool cannot communicate with the audio unit, REFER to MODULE COMMUNICATIONS NETWORK .
  • If the scan tool does communicate with the audio unit, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit - MKZ . CLEAR the DTCs. REPEAT the THX® amplifier self-test.
U0196 Lost Communication With Entertainment Control Module - Rear (AUX) DTC is not applicable. The vehicle is not equipped with rear audio controls. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
U2050 No Application Present CONFIGURE the THX® amplifier. REFER to MODULE CONFIGURATION to carry out PMI. REPEAT the self-test. If DTC U2050 is retrieved again, INSTALL a new THX® amplifier. REFER to Audio Amplifier - THX® . TEST the system for normal operation.
U2051 One or More Calibration Files Missing/Corrupt CONFIGURE the THX® amplifier. REFER to MODULE CONFIGURATION to carry out PMI. REPEAT the self-test. If DTC U2051 is retrieved again, INSTALL a new THX® amplifier. REFER to Audio Amplifier - THX® . TEST the system for normal operation.
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