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Information System And Entertainment System DTCS

AUDIO FRONT CONTROL MODULE (ACM) DIAGNOSTIC TROUBLE CODE (DTC) LIST (EARLY BUILD)

DTC Description Action
B1342 ECU is Faulted
NOTE: Repair all other DTCs first before diagnosing DTC B1342.
CLEAR the DTCs. REPEAT the self-test. If only DTC B1342 is retrieved again, INSTALL a new Audio Front Control Module (ACM). REFER to AUDIO CONTROL MODULE (ACM) . TEST the system for normal operation.
B2404 Audio Steering Wheel Switch Circuit Fault GO to PINPOINT TEST U .
B2405 Audio Disc CD Player Thermal Shutdown Fault The ACM was over-temperature. This may occur during extended use. Audio operation can resume after the ACM cools. CLEAR the DTCs. This is normal operation.
B2406 Audio Disc CD Player Internal Fault
NOTE: DTC B1342 may also set.
CLEAR the DTCs. REPEAT the self-test. If DTC B2406 is retrieved again, INSTALL a new ACM. REFER to AUDIO CONTROL MODULE (ACM) . TEST the system for normal operation.
B2408 Speaker Line Short to Ground GO to PINPOINT TEST B .
B2477 Module Configuration Failure REFER to MODULE CONFIGURATION .
U0140 Lost Communication With Body Control Module (GEM) GO to PINPOINT TEST G .
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module GO to PINPOINT TEST H .
U0238 Lost Communication With Digital Audio Control Module "D" (DSP)
NOTE: Despite the description, this DTC applies to the Speech Recognition Module (SRM), not an audio Digital Signal Processing (DSP) module.
GO to PINPOINT TEST I .
U2050 No Application Present REFER to MODULE CONFIGURATION .
AUDIO FRONT CONTROL MODULE (ACM) DIAGNOSTIC TROUBLE CODE (DTC) LIST (LATE BUILD)

DTC Description Action
B1342 ECU is Faulted
NOTE: Repair all other DTCs first before diagnosing DTC B1342.
CLEAR the DTCs. REPEAT the self-test. If only DTC B1342 is retrieved again, INSTALL a new Audio Front Control Module (ACM). REFER to AUDIO CONTROL MODULE (ACM) . TEST the system for normal operation.
B1117 Audio Steering Wheel Button Stuck GO to PINPOINT TEST D .
B1318 Battery Voltage Low GO to PINPOINT TEST T .
B2404 Audio Steering Wheel Switch Circuit Fault If equipped with steering wheel controls, GO to PINPOINT TEST D . If not equipped with steering wheel controls, DISREGARD the DTC.
B2405 Audio Disc CD Player Thermal Shutdown Fault The ACM was over-temperature. This may occur during extended use. Audio operation can resume after the ACM cools. CLEAR the DTCs. This is normal operation.
B2406 Audio Disc CD Player Internal Fault
NOTE: DTC B1342 may also set.
CLEAR the DTCs. REPEAT the self-test. If DTC B2406 is retrieved again, INSTALL a new ACM. REFER to AUDIO CONTROL MODULE (ACM) . TEST the system for normal operation.
B2477 Module Configuration Failure REFER to MODULE CONFIGURATION .
B2965 Audio System Speaker Circuit Fault GO to PINPOINT TEST B .
C1992 Vehicle Speed Circuit Failure GO to PINPOINT TEST O .
U2050 No Application Present REFER to MODULE CONFIGURATION .
U2051 One or More Calibration Files Missing / Corrupt REFER to MODULE CONFIGURATION .
SPEECH RECOGNITION MODULE (SRM) DIAGNOSTIC TROUBLE CODE (DTC) LIST (EARLY BUILD)

DTC Description Action
B1D79:11 Microphone Input: Circuit Short to Ground GO to PINPOINT TEST E .
B1D79:12 Microphone Input: Circuit Short to Battery GO to PINPOINT TEST E .
B1D79:13 Microphone Input: Circuit Open GO to PINPOINT TEST E .
B1D79:1E Microphone Input: Circuit Resistance Out of Range GO to PINPOINT TEST E .
U0010:88 MS-CAN Communication Bus: Bus Off REFER to MODULE COMMUNICATIONS NETWORK .
U2100:00 Initial Configuration Not Complete: No Sub Type Information REFER to MODULE CONFIGURATION .
U2101:00 Control Module Configuration Incompatible: No Sub Type Information REFER to MODULE CONFIGURATION .
U3000:41 Control Module: General Checksum Error CLEAR the DTCs. REPEAT the self-test. If DTC U3000:41 is still present, INSTALL a new Speech Recognition Module (SRM). REFER to SPEECH RECOGNITION MODULE (SRM) . REPEAT the self-test.
U3000:44 Control Module: Data Memory Failure CLEAR the DTCs. REPEAT the self-test. If DTC U3000:44 is still present, INSTALL a new SRM. REFER to SPEECH RECOGNITION MODULE (SRM) . REPEAT the self-test.
U3000:45 Control Module: Program Memory Failure CLEAR the DTCs. REPEAT the self-test. If DTC U3000:45 is still present, INSTALL a new SRM. REFER to SPEECH RECOGNITION MODULE (SRM) . REPEAT the self-test.
U3000:46 Control Module: Calibration Parameter Memory Failure CLEAR the DTCs. REPEAT the self-test. If DTC U3000:46 is still present, INSTALL a new SRM. REFER to SPEECH RECOGNITION MODULE (SRM) . REPEAT the self-test.
U3000:51 Control Module: Not Programmed REFER to MODULE CONFIGURATION .
ACCESSORY PROTOCOL INTERFACE MODULE (APIM) DIAGNOSTIC TROUBLE CODE (DTC) LIST(LATE BUILD)

DTC Description Action
B1201:1C Steering Wheel Audio Switch Pack 2: Circuit Voltage Out of Range GO to PINPOINT TEST D .
B1201:63 Steering Wheel Audio Switch Pack 2: Circuit / Component Protection Time-Out GO to PINPOINT TEST D .
B1252:04 USB Port: System Internal Failure GO to PINPOINT TEST J .
B1252:11 USB Port: Circuit Short to Ground GO to PINPOINT TEST J .
B1D79:01 Microphone Input: General Electrical Failure GO to PINPOINT TEST E .
U2100:00 Initial Configuration Not Complete: No Sub Type Information CHECK vehicle service history for recent service actions related to this module. This DTC sets due to incomplete or incorrect PMI procedures. If there have been recent service actions with this module, REPEAT/PERFORM the PMI procedure as directed by the scan tool. If there have been no recent service actions, INSTALL a new module to correct the failure to retain configuration data. REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) .
U2101:00 Control Module Configuration Incompatible: No Sub Type Information CHECK vehicle service history for recent service actions related to this module. This DTC sets due to incomplete or incorrect PMI procedures. If there have been recent service actions with this module, REPEAT/PERFORM the PMI procedure as directed by the scan tool. If there have been no recent service actions, INSTALL a new module to correct the failure to retain configuration data. REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) .
U3000:04 Control Module: System Internal Failure GO to PINPOINT TEST K .
U3000:41 Control Module: General Checksum Failure CLEAR the DTCs. REPEAT the self-test. If DTC U3000:41 is still present, INSTALL a new APIM. REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) . REPEAT the self-test.
U3000:42 Control Module: General Memory Failure CLEAR the DTCs. REPEAT the self-test. If DTC U3000:42 is still present, INSTALL a new APIM. REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) . REPEAT the self-test.
U3000:88 Control Module: Bus Off
NOTE: Network communication/message DTCs may result from intermittent concerns with damaged wiring or low battery voltage. Additionally, vehicle repair procedures such as module reprogramming often set these DTCs. To avoid repeat network concerns, inspect for damaged or corroded wiring at the APIM. Test the vehicle battery; Refer to Battery Condition Test in BATTERY, MOUNTING AND CABLES . Refer to CHARGING SYSTEM for more information. Replacing a module to resolve a network DTC is unlikely to resolve the concern.
The module could not communicate on the network at a point in time. The fault is not currently present. CLEAR the DTC. REPEAT the network test with the scan tool.
U3003:16 Battery Voltage: Circuit Voltage Below Threshold GO to PINPOINT TEST L .
U3003:17 Battery Voltage: Circuit Voltage Above Threshold GO to PINPOINT TEST M .
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