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.
2011 Ford Flex SEFACTORY OEM SERVICE PROCEDURE
Audio Digital Signal Processing (DSP) Module
AUDIO DIGITAL SIGNAL PROCESSING (DSP) MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| 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 . |
| B1A05:01 | Speaker #5: General Electrical Failure | GO to PINPOINT TEST C . |
| B1A05:11 | Speaker #5: Circuit Short to Ground | GO to PINPOINT TEST C . |
| B1A05:12 | Speaker #5: Circuit Short to Battery | GO to PINPOINT TEST C . |
| B1A05:13 | Speaker #5: Circuit Open | GO to PINPOINT TEST C . |
| B1A06:01 | Speaker #6: General Electrical Failure | GO to PINPOINT TEST C . |
| B1A06:11 | Speaker #6: Circuit Short to Ground | GO to PINPOINT TEST C . |
| B1A06:12 | Speaker #6: Circuit Short to Battery | GO to PINPOINT TEST C . |
| B1A06:13 | Speaker #6: Circuit Open | GO to PINPOINT TEST C . |
| B1A07:01 | Speaker #7: General Electrical Failure | GO to PINPOINT TEST C . |
| B1A07:11 | Speaker #7: Circuit Short to Ground | GO to PINPOINT TEST C . |
| B1A07:12 | Speaker #7: Circuit Short to Battery | GO to PINPOINT TEST C . |
| B1A07:13 | Speaker #7: Circuit Open | GO to PINPOINT TEST C . |
| B1A08:01 | Speaker #8: General Electrical Failure | GO to PINPOINT TEST C . |
| B1A09:11 | Speaker #9: Circuit Short to Ground | GO to PINPOINT TEST C . |
| B1A09:12 | Speaker #9: Circuit Short to Battery | GO to PINPOINT TEST C . |
| B1A09:13 | Speaker #9: Circuit Open | GO to PINPOINT TEST C . |
| B1A10:11 | Speaker #10: Circuit Short to Ground | GO to PINPOINT TEST C . |
| B1A10:12 | Speaker #10: Circuit Short to Battery | GO to PINPOINT TEST C . |
| B1A10:13 | Speaker #10: Circuit Open | GO to PINPOINT TEST C . |
| U0140:00 | Lost Communication With Body Control Module: No Sub Type Information | GO to PINPOINT TEST AE . |
| U0155:00 | Lost Communication With Instrument Panel Cluster (IPC ) Control Module: No Sub Type Information | GO to PINPOINT TEST AS . |
| U0184:00 | Lost Communication With Radio: No Sub Type Information | GO to PINPOINT TEST AT . |
| U0196:00 | Lost Communication With Entertainment Control Module-Rear "A": No Sub Type Information | GO to PINPOINT TEST AU . |
| U0197:00 | Lost Communication With Telephone Control Module: No Sub Type Information | GO to PINPOINT TEST AQ . |
| 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) in this service information. 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) in this service information. REPEAT the self-test. |
| U201A:51 | Control Module Main Calibration Data: Not Programmed | REFER to MODULE COMMUNICATIONS NETWORK - MODULE CONFIGURATION article. |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | REFER to MODULE COMMUNICATIONS NETWORK - MODULE CONFIGURATION article. |
| U2101:00 | Control Module Configuration Incompatible: No Sub Type Information | REFER to MODULE COMMUNICATIONS NETWORK - MODULE CONFIGURATION article. |
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | GO to PINPOINT TEST AO . |
| U3003:17 | Battery Voltage: Circuit Voltage Above Threshold | GO to PINPOINT TEST AP . |
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.
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