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Audio Front Control Module (ACM)

ACM (AUDIO FRONT CONTROL MODULE) DIAGNOSTIC TROUBLE CODE (DTC) CHART

DTC Description Action
B1A01:01 Speaker #1: General Electrical Failure
B1A01:11 Speaker #1: Circuit Short To Ground
B1A01:12 Speaker #1: Circuit Short To Battery
B1A01:13 Speaker #1: Circuit Open
B1A02:01 Speaker #2: General Electrical Failure
B1A02:11 Speaker #2: Circuit Short To Ground
B1A02:12 Speaker #2: Circuit Short To Battery
B1A02:13 Speaker #2: Circuit Open
B1A03:01 Speaker #3: General Electrical Failure
B1A03:11 Speaker #3: Circuit Short To Ground
B1A03:12 Speaker #3: Circuit Short To Battery
B1A03:13 Speaker #3: Circuit Open GO to PINPOINT TEST R
B1A04:01 Speaker #4: General Electrical Failure
B1A04:11 Speaker #4: Circuit Short To Ground
B1A04:12 Speaker #4: Circuit Short To Battery
B1A04:13 Speaker #4: Circuit Open GO to PINPOINT TEST T
B1A06:02 Speaker #6: General Signal Failure GO to PINPOINT TEST O
B1A06:11 Speaker #6: Circuit Short To Ground GO to PINPOINT TEST O
B1A56:21 Antenna: Signal Amplitude < Minimum If DTC B1A56:21 sets after running the bezel diagnostic tests, disregard this DTC  . This test is used for end of line or repair bay testing at the Ford plant. Each plant has its own assigned frequency and signal strength requirements. The running and passing of this test depends on local radio stations. If no local station is broadcasting on the required frequency, the test will fail. Therefore, tests ran from the bezel diagnostic screen and the DTC  generated from the test can be disregarded.
B1A89:11 Satellite Antenna: Circuit Short To Ground GO to PINPOINT TEST D
B1A89:13 Satellite Antenna: Circuit Open GO to PINPOINT TEST D
B1D19:49 Compact Disc Unit: Internal Electronic Failure
  • CLEAR the DTC  .
  • WAIT at least 10 seconds.
  • REPEAT the self-test.
  • If DTC  B1D19:49 is retrieved again, INSTALL a new ACM  .

    REFER to: AUDIO UNIT (415-00 Information and Entertainment System - General Information, Removal and Installation).
B1D19:4B Compact Disc Unit: Over Temperature The ACM  was over temperature. This may occur during extended use. Audio operation can resume after the ACM  cools. CLEAR the DTC  . This is normal operation.
U0155:00 Lost Communication With IPC  Control Module: No Sub Type Information GO to PINPOINT TEST AC
U0253:00 Lost Communication With Accessory Protocol Interface Module: No Sub Type Information GO to PINPOINT TEST AF
U0256:00 Lost Communication With Front Controls Interface Module "A": No Sub Type Information GO to PINPOINT TEST AG
U0257:00 Lost Communication With Front Control/Display Interface Module: No Sub Type Information
NOTE: Despite the description, this DTC  applies to the FDIM  , not the FCDIM 
GO to PINPOINT TEST AF
U201A:51 Control Module Main Calibration Data: Not Programmed CHECK vehicle service history for recent service actions related to this module. This DTC  sets due to incomplete or incorrect Programmable Module Installation (PMI) procedures. If there have been recent service actions with this module, REPEAT/PERFORM the Programmable Module Installation (PMI) procedure as directed by the scan tool. REFER to: MODULE CONFIGURATION - SYSTEM OPERATION AND COMPONENT DESCRIPTION (418-01 Module Configuration, Description and Operation).
See PROGRAMMABLE MODULE INSTALLATION (PMI) . If there have been no recent service actions, INSTALL a new ACM  to correct the failure to retain configuration data.
REFER to: AUDIO UNIT (415-00 Information and Entertainment System - General Information, Removal and Installation).
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 Programmable Module Installation (PMI) procedures. If there have been recent service actions with this module, REPEAT/PERFORM the Programmable Module Installation (PMI) procedure as directed by the scan tool. REFER to: MODULE CONFIGURATION - SYSTEM OPERATION AND COMPONENT DESCRIPTION (418-01 Module Configuration, Description and Operation).
See PROGRAMMABLE MODULE INSTALLATION (PMI) . If there have been no recent service actions, INSTALL a new ACM  to correct the failure to retain configuration data.
REFER to: AUDIO UNIT (415-00 Information and Entertainment System - General Information, Removal and Installation).
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 Programmable Module Installation (PMI) procedures. If there have been recent service actions with this module, REPEAT/PERFORM the Programmable Module Installation (PMI) procedure as directed by the scan tool. REFER to: MODULE CONFIGURATION - SYSTEM OPERATION AND COMPONENT DESCRIPTION (418-01 Module Configuration, Description and Operation).
See PROGRAMMABLE MODULE INSTALLATION (PMI) . If there have been no recent service actions, INSTALL a new ACM  to correct the failure to retain configuration data.
REFER to: AUDIO UNIT (415-00 Information and Entertainment System - General Information, Removal and Installation).
U3000:41 Control Module: General Checksum Failure
  • CLEAR the DTC  .
  • WAIT at least 10 seconds.
  • REPEAT the self-test.
  • If DTC  U3000:41 is retrieved again, INSTALL a new ACM  .

    REFER to: AUDIO UNIT (415-00 Information and Entertainment System - General Information, Removal and Installation).
U3000:42 Control Module: General Memory Failure
  • CLEAR the DTC  .
  • WAIT at least 10 seconds.
  • REPEAT the self-test.
  • If DTC  U3000:42 is retrieved again, INSTALL a new ACM  .

    REFER to: AUDIO UNIT (415-00 Information and Entertainment System - General Information, Removal and Installation).
U3000:96 Control Module: Component Internal Failure GO to PINPOINT TEST D
U3003:16 Battery Voltage: Circuit Voltage Below Threshold GO to PINPOINT TEST AH
U3003:17 Battery Voltage: Circuit Voltage Above Threshold GO to PINPOINT TEST AI
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