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.
2009 Ford Flex SEFACTORY OEM SERVICE PROCEDURE
DTC Chart
NOTE:
Some modules on this vehicle utilize a 5-character DTC followed by a 2-character failure-type code. The failure-type code provides information about specific fault conditions such as opens, or shorts to ground. Continuous memory DTCs have an additional 2-character DTC status code suffix to assist in determining DTC history.
DTC CHART
| DTC | Description | Source | Action |
|---|---|---|---|
| B2477 | Module Configuration Failure | Accessory Protocol Interface Module (APIM) | CARRY OUT APIM programming. REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) PROGRAMMING . |
| B2477 | Module Configuration Failure | ABS module Audio Control Module (ACM) Driver Seat Module (DSM) Front Display Interface Module (FDIM) Instrument Cluster (IC) Restraints Control Module (RCM) Rear Entertainment Module (RETM) Smart Junction Box (SJB) |
CARRY OUT PMI . REFER to PROGRAMMABLE MODULE INSTALLATION (PMI) . |
| B2900 | VIN Mismatch | 4X4 control module | The PCM Vehicle Identification Number (VIN) is not correct. CARRY OUT Programmable Module Installation (PMI) for the PCM. REFER to PROGRAMMABLE MODULE INSTALLATION (PMI) . |
| B2900 | VIN Mismatch | ABS module | CARRY OUT PMI . REFER to PROGRAMMABLE MODULE INSTALLATION (PMI) . |
| P0602 | Powertrain Control Module Programming Error | PCM | CARRY OUT PMI . REFER to PROGRAMMABLE MODULE INSTALLATION (PMI) . |
| P0605 | Internal Control Module Read-Only Memory (ROM ) Error | PCM | CARRY OUT PMI . REFER to PROGRAMMABLE MODULE INSTALLATION (PMI) . |
| P1639 | Vehicle ID Block Corrupted, Not Programmed | PCM | CARRY OUT PMI . REFER to PROGRAMMABLE MODULE INSTALLATION (PMI) . |
| U0300 | Internal Control Module Software Incompatibility | PCM | CARRY OUT PMI . REFER to PROGRAMMABLE MODULE INSTALLATION (PMI) . |
| U201A:51 | Control Module Main Calibration Data: Missing Calibration | Front Controls Interface Module (FCIM) | INSTALL a new FCIM . REFER to INFORMATION AND ENTERTAINMENT SYSTEMS . |
| U201A:51 | Control Module Main Calibration Data: Missing Calibration | ACM Audio Digital Signal Processing (DSP) module | CARRY OUT PMI . REFER to PROGRAMMABLE MODULE INSTALLATION (PMI) . |
| U2050 | No Application Present | 4X4 control module | INSTALL a new 4X4 control module. REFER to FOUR-WHEEL DRIVE SYSTEMS . |
| U2050 | No Application Present | ABS module ACM DSM FDIM IC RCM RETM SJB |
CARRY OUT PMI . REFER to PROGRAMMABLE MODULE INSTALLATION (PMI) . |
| U2050 | No Application Present | APIM | CARRY OUT APIM programming. REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) PROGRAMMING . |
| U2050 | No Application Present | Liftgate/Trunk Module (LTM) | INSTALL a new LTM . REFER to BODY CLOSURES . |
| U2050 | No Application Present | Occupant Classification System Module (OCSM) | INSTALL a new OCSM . REFER to SUPPLEMENTAL RESTRAINT SYSTEM . |
| U2051 | One or More Calibration Files Missing/Corrupt | 4X4 control module | INSTALL a new 4X4 control module. REFER to FOUR-WHEEL DRIVE SYSTEMS . |
| U2051 | One or More Calibration Files Missing/Corrupt | ACM IC FDIM |
CARRY OUT PMI . REFER to PROGRAMMABLE MODULE INSTALLATION (PMI) . |
| U2051 | One or More Calibration Files Missing/Corrupt | LTM | INSTALL a new LTM . REFER to BODY CLOSURES . |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | ACM Audio DSP module |
CARRY OUT PMI . REFER to PROGRAMMABLE MODULE INSTALLATION (PMI) . |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | APIM | CARRY OUT APIM programming. REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) PROGRAMMING . |
| U2101:00 | Control Module Configuration Incompatible: No Sub Type Information | ACM Audio DSP module |
CARRY OUT PMI . REFER to PROGRAMMABLE MODULE INSTALLATION (PMI) . |
| U2101:00 | Control Module Configuration Incompatible: No Sub Type Information | APIM | CARRY OUT APIM programming. REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) PROGRAMMING . |
| U3000:41 | Control Module: General Checksum Failure | Parking Aid Module (PAM) | INSTALL a new PAM . REFER to PARKING AID . |
| U3000:41 | Control Module: General Checksum Failure | HVAC module | INSTALL a new HVAC module. REFER to CLIMATE CONTROL . |
| U3000:46 | Control Module: Calibration /Parameter Memory Failure | PAM | INSTALL a new PAM . REFER to PARKING AID . |
| U3000:54 | Control Module: Missing Calibration | PAM | CARRY OUT PMI . REFER to PROGRAMMABLE MODULE INSTALLATION (PMI) . |
| U3000:55 | Control Module: Not Configured | HVAC module | INSTALL a new HVAC module. REFER to CLIMATE CONTROL . |
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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