LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2012 >> Mustang Base, 2D Convertible, Standard Trans >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Information System And Entertainment System DTCS
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Information System And Entertainment System DTCS

AUDIO FRONT CONTROL MODULE (ACM) DIAGNOSTIC TROUBLE CODE (DTC) LIST - WITHOUT NAVIGATION

DTC Description Action
B11BA:1C Steering Wheel Audio Switch Pack: Circuit Voltage out of Range GO to PINPOINT TEST P .
B11BA:63 Steering Wheel Audio Switch Pack: Circuit/Component Protection Time-Out GO to PINPOINT TEST P .
B1A01:01 Speaker #1: General Electrical Failure GO to PINPOINT TEST C .
B1A01:11 Speaker #1: Circuit Short to Ground GO to PINPOINT TEST C .
B1A01:12 Speaker #1: Circuit Short to Battery GO to PINPOINT TEST C .
B1A01:13 Speaker #1: Circuit Open GO to PINPOINT TEST C .
B1A02:01 Speaker #2: General Electrical Failure GO to PINPOINT TEST C .
B1A02:11 Speaker #2: Circuit Short to Ground GO to PINPOINT TEST C .
B1A02:12 Speaker #2: Circuit Short to Battery GO to PINPOINT TEST C .
B1A02:13 Speaker #2: Circuit Open GO to PINPOINT TEST C .
B1A03:01 Speaker #3: General Electrical Failure GO to PINPOINT TEST C .
B1A03:11 Speaker #3: Circuit Short to Ground GO to PINPOINT TEST C .
B1A03:12 Speaker #3: Circuit Short to Battery GO to PINPOINT TEST C .
B1A03:13 Speaker #3: Circuit Open GO to PINPOINT TEST C .
B1A04:01 Speaker #4: General Electrical Failure GO to PINPOINT TEST C .
B1A04:11 Speaker #4: Circuit Short to Ground GO to PINPOINT TEST C .
B1A04:12 Speaker #4: Circuit Short to Battery GO to PINPOINT TEST C .
B1A04:13 Speaker #4: Circuit Open GO to PINPOINT TEST C .
B1A05:02 Speaker #5: General Signal Failure GO to PINPOINT TEST D .
B1A06:02 Speaker #6: General Signal Failure GO to PINPOINT TEST E .
B1A56:21 Antenna: Signal Amplitude < Minimum
NOTE: 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 test ran from the bezel diagnostic screen and the DTC generated from the test can be disregarded.
DISREGARD this DTC.
B1A89:01 Satellite Antenna: General Electrical Failure GO to PINPOINT TEST B .
B1A89:13 Satellite Antenna: Circuit Open GO to PINPOINT TEST B .
B1D19:49 Compact Disc Unit: Internal Electronic Failure CLEAR the DTCs. REPEAT the self-test. If DTC B1D19:49 is retrieved again, INSTALL a new Audio Front Control Module (ACM). REFER to AUDIO CONTROL MODULE (ACM) . REPEAT the self-test.
B1D78:13 Auxiliary Input: Circuit Open
NOTE: This DTC is only applicable for vehicles without the SYNC system. For vehicles with the SYNC system, disregard the DTC.
GO to PINPOINT TEST Q .
U0140:00 Lost Communication With Body Control Module: No Sub Type Information GO to PINPOINT TEST AB .
U0155:00 Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information GO to PINPOINT TEST AC .
U0197:00 Lost Communication With Telephone Control Module: No Sub Type Information GO to PINPOINT TEST AD .
U0255:00 Lost Communication With Front Display Interface Module: No Sub Type Information GO to PINPOINT TEST AE .
U0256:00 Lost Communication With Front Controls Interface Module: No Sub Type Information GO to PINPOINT TEST AF .
U2014:41 Control Module Hardware: General Checksum Failure CLEAR the DTCs. REPEAT the self-test. If DTC U2014:41 is retrieved again, INSTALL a new ACM. REFER to AUDIO CONTROL MODULE (ACM) . REPEAT the self-test.
U2014:42 Control Module Hardware: General Memory Failure CLEAR the DTCs. REPEAT the self-test. If DTC U2014:42 is retrieved again, INSTALL a new ACM. REFER to AUDIO CONTROL MODULE (ACM) . REPEAT the self-test.
U2014:96 Control Module Hardware: Component Internal Failure GO to PINPOINT TEST H .
U201A:51 Control Module Main Calibration Data: Not Programmed REFER to MODULE CONFIGURATION SYSTEM .
U2100:00 Initial Configuration Not Complete: No Sub Type Information REFER to MODULE CONFIGURATION SYSTEM .
U2101:00 Control Module Configuration Incompatible: No Sub Type Information REFER to MODULE CONFIGURATION SYSTEM .
U3003:16 Battery Voltage: Circuit Voltage Below Threshold GO to PINPOINT TEST AL .
U3003:17 Battery Voltage: Circuit Voltage Above Threshold GO to PINPOINT TEST AM .
AUDIO FRONT CONTROL MODULE (ACM) DIAGNOSTIC TROUBLE CODE (DTC) LIST - NAVIGATION

DTC Description Action
B119F:01 GPS Antenna: General Electrical Failure GO to PINPOINT TEST U .
B119F:13 GPS Antenna: Circuit Open GO to PINPOINT TEST U .
B11BA:1C Steering Wheel Audio Switch Pack: Circuit Voltage out of Range GO to PINPOINT TEST P .
B11BA:63 Steering Wheel Audio Switch Pack: Circuit/Component Protection Time-Out GO to PINPOINT TEST P .
B1201:1C Steering Wheel Audio Switch Pack 2: Circuit Voltage out of Range GO to PINPOINT TEST P .
B1201:63 Steering Wheel Audio Switch Pack 2: Circuit/Component Protection Time-Out GO to PINPOINT TEST P .
B121C:01 Hard Drive: General Electrical Failure CLEAR the DTCs. REPEAT the self-test. If DTC B121C:01 is retrieved again, INSTALL a new Audio Front Control Module (ACM). REFER to AUDIO CONTROL MODULE (ACM) . REPEAT the self-test.
B1A01:01 Speaker #1: General Electrical Failure GO to PINPOINT TEST C .
B1A02:01 Speaker #2: General Electrical Failure GO to PINPOINT TEST C .
B1A03:01 Speaker #3: General Electrical Failure GO to PINPOINT TEST C .
B1A04:01 Speaker #4: General Electrical Failure GO to PINPOINT TEST C .
B1A05:01 Speaker #5: General Electrical Failure GO to PINPOINT TEST D .
B1A56:21 Antenna: Signal Amplitude < Minimum
NOTE: 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 test ran from the bezel diagnostic screen and the DTC generated from the test can be disregarded.
DISREGARD this DTC.
B1A89:01 Satellite Antenna: General Electrical Failure GO to PINPOINT TEST B .
B1A89:13 Satellite Antenna: Circuit Open GO to PINPOINT TEST B .
B1D19:49 Compact Disc Unit: Internal Electrical Failure CLEAR the DTCs. REPEAT the self-test. If DTC B1D19:49 is retrieved again, INSTALL a new ACM. REFER to AUDIO CONTROL MODULE (ACM) . REPEAT the self-test.
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 DTCs. This is normal operation.
B1D79:01 Microphone Input: General Electrical Failure GO to PINPOINT TEST T .
U0140:00 Lost Communication With Body Control Module: No Sub Type Information GO to PINPOINT TEST AB .
U0155:00 Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information GO to PINPOINT TEST AC .
U0162:00 Lost Communication With Navigation Display Module: No Sub Type Information GO to PINPOINT TEST L .
U0164:00 Lost Communication With HVAC Control Module: No Sub Type Information GO to PINPOINT TEST AG .
U0197:00 Lost Communication With Telephone Control Module: No Sub Type Information GO to PINPOINT TEST AD .
U0256:00 Lost Communication With Front Controls Interface Module: No Sub Type Information GO to PINPOINT TEST AF .
U2014:09 Control Module Hardware: Component Failure GO to PINPOINT TEST V .
U2014:41 Control Module Hardware: General Checksum Failure CLEAR the DTCs. REPEAT the self-test. If DTC U2014:41 is retrieved again, INSTALL a new ACM. REFER to AUDIO CONTROL MODULE (ACM) . REPEAT the self-test.
U2014:96 Control Module Hardware: Component Internal Failure GO to PINPOINT TEST H .
U201A:51 Control Module Main Calibration Data: Not Programmed REFER to MODULE CONFIGURATION SYSTEM .
U2100:00 Initial Configuration Not Complete: No Sub Type Information REFER to MODULE CONFIGURATION SYSTEM .
U2101:00 Control Module Configuration Incompatible: No Sub Type Information REFER to MODULE CONFIGURATION SYSTEM .
U3003:16 Battery Voltage: Circuit Voltage Below Threshold GO to PINPOINT TEST AL .
U3003:17 Battery Voltage: Circuit Voltage Above Threshold GO to PINPOINT TEST AM .
ACCESSORY PROTOCOL INTERFACE MODULE (APIM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Action
B1201:1C Steering Wheel Audio Switch Pack 2: Circuit Voltage Out of Range GO to PINPOINT TEST P .
B1201:63 Steering Wheel Audio Switch Pack 2: Circuit/Component Protection Time-Out GO to PINPOINT TEST P .
B1252:04 USB Port: System Internal Failure GO to PINPOINT TEST Z .
B1252:11 USB Port: Circuit Short to Ground GO to PINPOINT TEST Z .
B1A16:01 Microphone Input Circuit: General Electrical Failure GO to PINPOINT TEST T .
U0100:00 Lost Communication With ECM/PCM "A": No Sub Type Information GO to PINPOINT TEST AH .
U0140:00 Lost Communication With Body Control Module: No Sub Type Information GO to PINPOINT TEST AB .
U0151:00 Lost Communication With Restraints Control Module: No Sub Type Information GO to PINPOINT TEST AI .
U0155:00 Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information GO to PINPOINT TEST AC .
U016A:00 Lost Communication With Global Positioning System Module: No Sub Type Information GO to PINPOINT TEST AJ .
U0184:00 Lost Communication With Radio: No Sub Type Information GO to PINPOINT TEST AK .
U0255:00 Lost Communication With Front Display Interface Module: No Sub Type Information GO to PINPOINT TEST AE .
U0256:00 Lost Communication With Front Controls Interface Module: No Sub Type Information GO to PINPOINT TEST AF .
U0422:00 Invalid Data Received From Body Control Module: No Sub Type Information RETRIEVE and FOLLOW other DTCs present in the Accessory Protocol Interface Module (APIM) or Smart Junction Box (SJB).
U0423:00 Invalid Data Received From Instrument Panel Control Module: No Sub Type Information RETRIEVE and FOLLOW other DTCs present in the APIM or Instrument Panel Cluster (IPC).
U046B:00 Invalid Data Received From Global Positioning System Module: No Sub Type Information RETRIEVE and FOLLOW other DTCs present in the APIM or Global Positioning System Module (GPSM).
U0485:00 Invalid Data Received From Radio: No Sub Type Information RETRIEVE and FOLLOW other DTCs present in the APIM or Audio Front Control Module (ACM).
U2100:00 Initial Configuration Not Complete: No Sub Type Information REFER to MODULE CONFIGURATION SYSTEM .
U2101:00 Control Module Configuration Incompatible: No Sub Type Information REFER to MODULE CONFIGURATION SYSTEM .
U3000:04 Control Module: System Internal Failure GO to PINPOINT TEST X .
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 REFER to MODULE COMMUNICATIONS NETWORK .
U3003:16 Battery Voltage: Circuit Voltage Below Threshold GO to PINPOINT TEST AN .
U3003:17 Battery Voltage: Circuit Voltage Above Threshold GO to PINPOINT TEST AO .
FRONT CONTROLS INTERFACE MODULE (FCIM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Action
U0140:00 Lost Communication With Body Control Module: No Sub Type Information GO to PINPOINT TEST AB .
U0184:00 Lost Communication With Radio: No Sub Type Information GO to PINPOINT TEST AK .
U2013:63 Switch Pack: Circuit/Component Protection Time-Out GO to PINPOINT TEST I .
U2014:41 Control Module Hardware: General Checksum Failure CLEAR the DTCs. REPEAT the self-test. If DTC U2014:41 is still present, INSTALL a new Front Controls Interface Module (FCIM). REFER to FRONT CONTROLS INTERFACE MODULE (FCIM) . REPEAT the self-test.
U2014:42 Control Module Hardware: General Memory Failure CLEAR the DTCs. REPEAT the self-test. If DTC U2014:42 is still present, INSTALL a new FCIM. REFER to FRONT CONTROLS INTERFACE MODULE (FCIM) . REPEAT the self-test.
U201A:51 Control Module Main Calibration Data: Not Programmed REFER to MODULE CONFIGURATION SYSTEM .
U3003:16 Battery Voltage: Circuit Voltage Below Threshold GO to PINPOINT TEST AP .
U3003:17 Battery Voltage: Circuit Voltage Above Threshold GO to PINPOINT TEST AQ .
FRONT DISPLAY INTERFACE MODULE (FDIM) DIAGNOSTIC TROUBLE CODE (DTC) LIST - WITHOUT NAVIGATION

DTC Description Action
B1318 Battery Voltage Low GO to PINPOINT TEST AR .
B1342 ECU is Faulted CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is still present, INSTALL a new Front Display Interface Module (FDIM). REFER to FRONT DISPLAY INTERFACE MODULE (FDIM) . REPEAT the self-test.
B2477 Module Configuration Failure REFER to MODULE CONFIGURATION SYSTEM .
U0140 Lost Communication With Body Control Module (GEM) GO to PINPOINT TEST AB .
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module GO to PINPOINT TEST AC .
U0164 Lost Communication With HVAC Control Module (EATC) GO to PINPOINT TEST AG .
U0184 Lost Communication With Radio (ACM) GO to PINPOINT TEST AK .
U0197 Lost Communication With Telephone Control Module GO to PINPOINT TEST AD .
U2050 No Application Present REFER to MODULE CONFIGURATION SYSTEM .
U2051 One or More Calibration Files Missing/Corrupt REFER to MODULE CONFIGURATION SYSTEM .
GLOBAL POSITIONING SYSTEM MODULE (GPSM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Action
U0140:00 Lost Communication With Body Control Module: No Sub Type Information GO to PINPOINT TEST AB .
U0155:00 Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information GO to PINPOINT TEST AC .
U0422:00 Invalid Data Received From Body Control Module: No Sub Type Information RETRIEVE and FOLLOW other DTCs present in the Global Positioning System Module (GPSM) or Smart Junction Box (SJB).
U0423:00 Invalid Data Received from Instrument Panel Cluster Control Module: No Sub Type Information RETRIEVE and FOLLOW other DTCs present in the GPSM or Instrument Panel Cluster (IPC).
U3000:09 Control Module: Component Failure CLEAR the DTCs. REPEAT the self-test. If DTC U3000:09 is still present, INSTALL a new GPSM. REFER to GLOBAL POSITIONING SYSTEM MODULE (GPSM) . REPEAT the self-test.
U3000:41 Control Module: Component Failure CLEAR the DTCs. REPEAT the self-test. If DTC U3000:41 is still present, INSTALL a new GPSM. REFER to GLOBAL POSITIONING SYSTEM MODULE (GPSM) . REPEAT the self-test.
U3000:42 Control Module: Component Failure CLEAR the DTCs. REPEAT the self-test. If DTC U3000:42 is still present, INSTALL a new GPSM. REFER to GLOBAL POSITIONING SYSTEM MODULE (GPSM) . REPEAT the self-test.
U3003:16 Battery Voltage: Circuit Voltage Below Threshold GO to PINPOINT TEST AS .
U3003:17 Battery Voltage: Circuit Voltage Above Threshold GO to PINPOINT TEST AT .