Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2012 Ford Explorer Base, 2.0 9FACTORY OEM SERVICE PROCEDURE
Audio Control Module (ACM)
| DTC | Description | Action |
|---|---|---|
| B1A01:01 | Speaker #1: General Electrical Failure | GO to PINPOINT TEST G. |
| B1A01:11 | Speaker #1: Circuit Short To Ground | GO to PINPOINT TEST G. |
| B1A01:12 | Speaker #1: Circuit Short To Battery | GO to PINPOINT TEST G. |
| B1A01:13 | Speaker #1: Circuit Open | GO to PINPOINT TEST G. |
| B1A02:01 | Speaker #2: General Electrical Failure | GO to PINPOINT TEST I. |
| B1A02:11 | Speaker #2: Circuit Short To Ground | GO to PINPOINT TEST I. |
| B1A02:12 | Speaker #2: Circuit Short To Battery | GO to PINPOINT TEST I. |
| B1A02:13 | Speaker #2: Circuit Open | GO to PINPOINT TEST I. |
| B1A03:01 | Speaker #3: General Electrical Failure | GO to PINPOINT TEST J. |
| B1A03:11 | Speaker #3: Circuit Short To Ground | GO to PINPOINT TEST J. |
| B1A03:12 | Speaker #3: Circuit Short To Battery | GO to PINPOINT TEST J. |
| B1A03:13 | Speaker #3: Circuit Open | GO to PINPOINT TEST J. |
| B1A04:01 | Speaker #4: General Electrical Failure | GO to PINPOINT TEST M. |
| B1A04:11 | Speaker #4: Circuit Short To Ground | GO to PINPOINT TEST M. |
| B1A04:12 | Speaker #4: Circuit Short To Battery | GO to PINPOINT TEST M. |
| B1A04:13 | Speaker #4: Circuit Open | GO to PINPOINT TEST M. |
| B1A56:21 | Antenna: Signal Amplitude < Minimum | GO to PINPOINT TEST A. |
| B1A89:11 | Satellite Antenna: Circuit Short To Ground | 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 DTC . REPEAT the self-test. If DTC B1D19:49 is retrieved again, INSTALL a new ACM . Refer to AUDIO CONTROL MODULE (ACM) . |
| U0155:00 | Lost Communication With IPC Control Module: No Subject Type Information | GO to PINPOINT TEST AA. |
| U0253:00 | Lost Communication With Accessory Protocol Interface Module: No Sub Type Information | GO to PINPOINT TEST AD. |
| U0256:00 | Lost Communication With Front Controls Interface Module "A": No Sub Type Information | GO to PINPOINT TEST AE. |
| U201A:51 | Control Module Main Calibration Data: Not Programmed |
|
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information |
|
| U2101:00 | Control Module Configuration Incompatible: No Sub Type Information |
|
| U3000:41 | Control Module: General Checksum Failure | CLEAR the DTC . REPEAT the self-test. If DTC U3000:41 is retrieved again, INSTALL a new ACM . REFER to AUDIO CONTROL MODULE (ACM) . |
| U3000:42 | Control Module: General Memory Failure | CLEAR the DTC . REPEAT the self-test. If DTC U3000:42 is retrieved again, INSTALL a new ACM . REFER to AUDIO CONTROL MODULE (ACM) . |
| U3000:96 | Control Module: Component Internal Failure | GO to PINPOINT TEST B. |
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | GO to PINPOINT TEST AF. |
| U3003:17 | Battery Voltage: Circuit Voltage Above Threshold | GO to PINPOINT TEST AG. |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.