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Information And Entertainment Systems

AUDIO UNIT DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Perform Test
B1117 Audio Steering Wheel Button Stuck DTC is not applicable. The vehicle is not equipped with steering wheel controls. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
B1119 Audio Disc DVD Player Thermal Shutdown ALLOW the audio unit to cool. REPEAT the self-test. If DTC B1119 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit . TEST the system for normal operation after the repair.
B1136 Audio Steering Wheel Switch #2 Circuit Failure DTC is not applicable. The vehicle is not equipped with steering wheel controls. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
B1140 Map Disk Invalid INSERT a good known navigation map DVD. CLEAR the DTCs. REPEAT the self-test. If DTC B1140 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit . TEST the system for normal operation after the repair.
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, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit . TEST the system for normal operation after the repair.
B2103 Antenna Not Connected Go to Pinpoint Test A .
B2204 GPS Antenna Connection Open or Short Go to Pinpoint Test H .
B2274 Phone Transceiver Active Circuit Failure DTC is not applicable. The vehicle is not equipped with cellular phone functionality. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
B2384 Audio Reverse Aid Mute Input CKT Failure DTC is not applicable. The vehicle is not equipped with parking aid. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
B2404 Audio Steering Wheel Switch Circuit Fault DTC is not applicable. The vehicle is not equipped with steering wheel controls. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
B2405 Audio Disc CD Player Thermal Shutdown Fault ALLOW the unit to cool. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
B2406 Audio Disc CD Player Internal Fault CLEAR the DTCs. REPEAT the self-test. If DTC B2406 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit . TEST the system for normal operation after the repair.
B2477 Module Configuration Failure REFER to MODULE CONFIGURATION to diagnose the module configuration.
B2633 Driver-Front Microphone Circuit Failure DTC is not applicable. The vehicle is not equipped with voice-activated navigation. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
B2656 DVD (Digital Versatile Disc) Error REMOVE the navigation map DVD. With a soft cloth, WIPE the DVD in an outward direction starting from the center. MAKE SURE there are no fingerprints or scratches on the DVD surface. INSERT the DVD. CLEAR the DTCs. REPEAT the self-test. If DTC B2656 is retrieved again, INSERT a good known navigation map DVD. CLEAR the DTCs. REPEAT the self-test. If DTC B2656 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit . TEST the system for normal operation after the repair.
B2924 Audio Button Stuck For the navigation audio unit, go to Pinpoint Test K .
For all others, VERIFY no audio unit buttons are stuck. CLEAR the DTCs. REPEAT the self-test. If DTC B2924 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit . TEST the system for normal operation after the repair.
B2965 Audio System Speaker Circuit Fault Go to Pinpoint Test B .
C1992 Vehicle Speed Circuit Failure VERIFY the audio unit is configured to receive the vehicle speed signal through the medium speed controller area network (MS-CAN). REFER to MODULE CONFIGURATION .
P0812 Reverse Input Circuit VERIFY the audio unit is configured to receive the reverse signal through the MS-CAN. REFER to MODULE CONFIGURATION .
U0140 Lost Communication With Body Control Module (GEM)
NOTE: Diagnose DTC B1318 (if present) before diagnosing DTC U0140.
VERIFY the operation of the vehicle illumination and the accessory delay.
  • If the vehicle illumination or accessory delay does not operate correctly, REFER to INSTRUMENT CLUSTER AND PANEL ILLUMINATION (illumination) or GLASS, FRAMES AND MECHANISMS (accessory delay).
  • If the vehicle illumination and accessory delay operate correctly, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit . TEST the system for normal operation after the repair.
U0155 Lost Communication With Instrument Panel Cluster (IC) Control Module
NOTE: If no related concern is currently present, disregard the DTC.
If the speed sensitive volume does not operate correctly, go to Pinpoint Test M .If the navigation is inaccurate, go to Pinpoint Test L .
U0159 Lost Communication With Parking Assist Control Module (PAM) DTC is not applicable. The vehicle is not equipped with parking aid. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
U0193 Lost Communication With Digital Audio Control Module (SDARS) Go to Pinpoint Test F .
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.
U0197 Lost Communication With Telephone Control Module DTC is not applicable. The vehicle is not equipped with cellular phone functionality. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
U0238 Lost Communication With Digital Audio Control Module "D" (DSP) DTC is not applicable. The vehicle is not equipped with a DSP module. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
U0249 Lost Communication With Entertainment Control Module - Rear "B" (RCU) 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 audio unit. REFER to MODULE CONFIGURATION to carry out programmable module installation (PMI). CLEAR the DTCs. REPEAT the self-test. If DTC U2050 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit . TEST the system for normal operation after the repair.
U2051 One or More Calibration Files Missing/Corrupt CONFIGURE the audio unit. REFER to MODULE CONFIGURATION to carry out PMI. CLEAR the DTCs. REPEAT the self-test. If DTC U2051 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit . TEST the system for normal operation after the repair.
U2473 Unexpected Vehicle Speed (VSS) Go to Pinpoint Test L .
SATELLITE RADIO RECEIVER DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Perform Test
B1031 SDARS Satellite Antenna Open Go to Pinpoint Test G .
B1032 SDARS Satellite Antenna Short Go to Pinpoint Test G .
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, REMOVE the satellite radio receiver and SEND it to an authorized audio system repair facility. REFER to Satellite Radio Receiver . TEST the system for normal operation after the repair.
B2477 Module Configuration Failure REFER to MODULE CONFIGURATION to diagnose the module configuration.
U0184 Lost Communication With Radio (ACM) DISREGARD the DTC. CLEAR the DTC. REPEAT the 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.
U0197 Lost Communication With Telephone Control Module DTC is not applicable. The vehicle is not equipped with cellular phone functionality. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
U0249 Lost Communication With Entertainment Control Module - Rear "B" (RCU) 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 satellite radio receiver. REFER to MODULE CONFIGURATION to carry out PMI. CLEAR the DTCs. REPEAT the self-test. If DTC U2050 is retrieved again, REMOVE the satellite radio receiver and SEND it to an authorized audio system repair facility. REFER to Satellite Radio Receiver . TEST the system for normal operation after the repair.
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