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 Edge SE, FWDFACTORY OEM SERVICE PROCEDURE
Module Communications Network DTCS
COMMUNICATION NETWORK DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| U0002 | High Speed CAN Communication Bus Performance | IC | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0020 | Low Speed CAN Communication Bus Performance | IC | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0073 | Control Module Communication Bus A Off | ABS module | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0073 | Control Module Communication Bus A Off | Headlamp control module (HCM) | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0073 | Control Module Communication Bus A Off | HVAC module | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0100 | Lost Communication With ECM/PCM | HCM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test A under PINPOINT TESTS . |
| U0100 | Lost Communication With ECM/PCM | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test A under PINPOINT TESTS . |
| U0100 | Lost Communication With ECM/PCM | Occupant classification system module (OCSM) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test A under PINPOINT TESTS . |
| U0100 | Lost Communication With ECM/PCM | Restraints control module (RCM) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test A under PINPOINT TESTS . |
| U0100 | Lost Communication With ECM/PCM | 4X4 control module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test A under PINPOINT TESTS . |
| U0102 | Lost Communication With Transfer Case Control Module (4x4CM) | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test D under PINPOINT TESTS . |
| U0115 | Lost Communication With ECM/PCM - Secondary (SPCM) | ABS module | DISREGARD this DTC as it may have been set during module reprogramming. |
| U0121 | Lost Communication With Anti-Lock Brake System (ABS) Control Module | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test B under PINPOINT TESTS . |
| U0121 | Lost Communication With Anti-Lock Brake System (ABS) Control Module | 4X4 control module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test b under PINPOINT TESTS . |
| U0126 | Lost Communication With Steering Angle Sensor Module | ABS module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test G under PINPOINT TESTS . |
| U0140 | Lost Communication With Body Control Module (GEM) | Driver seat module (DSM) | Go to Pinpoint Test I . |
| U0140 | Lost Communication With Body Control Module (GEM) | HVAC module | Go to Pinpoint Test I . |
| U0140 | Lost Communication With Body Control Module (GEM) | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test I under PINPOINT TESTS . |
| U0140 | Lost Communication With Body Control Module (GEM) | Liftgate/trunk module (LTM) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test I under PINPOINT TESTS . |
| U0140 | Lost Communication With Body Control Module (GEM) | Parking aid module (PAM) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test I under PINPOINT TESTS . |
| U0151 | Lost Communication With Restraints Control Module | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test C under PINPOINT TESTS . |
| U0151 | Lost Communication With Restraints Control Module | OCSM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test C under PINPOINT TESTS . |
| U0154 | Lost Communication With Restraints Occupant Classification System Module (OCS) | RCM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test E under PINPOINT TESTS . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | ABS module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test H under PINPOINT TESTS . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | DSM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test H under PINPOINT TESTS . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | HCM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test H under PINPOINT TESTS . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | HVAC module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test H under PINPOINT TESTS . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | LTM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test H under PINPOINT TESTS . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | PAM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test H under PINPOINT TESTS . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | SJB | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test H under PINPOINT TESTS . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | Steering angle sensor module (SASM) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test H under PINPOINT TESTS . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | 4X4 control module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test H under PINPOINT TESTS . |
| U0159 | Lost Communication With Parking Assist Control Module (PAM) | ACM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test Q under PINPOINT TESTS . |
| U0159 | Lost Communication With Parking Assist Control Module (PAM) | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test Q under PINPOINT TESTS . |
| U0164 | Lost Communication With HVAC Control Module (EATC) | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test J under PINPOINT TESTS . |
| U0208 | Lost Communication With Seat Control Module (DSM) | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test O under PINPOINT TESTS . |
| U0230 | Lost Communication With Rear Gate Module (LTM) | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test R under PINPOINT TESTS . |
| U0241 | Lost Communication With Headlamp Control Module (HCM) | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test F under PINPOINT TESTS . |
| U0246 | Lost Communication With Seat Control Module (DCSM) | HVAC module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test P under PINPOINT TESTS . |
| U0401 | Invalid Data Received from ECM/PCM A | RCM | RETRIEVE and FOLLOW DTCs from the PCM. |
| U0401 | Invalid Data Received from ECM/PCM A | 4X4 control module | RETRIEVE and FOLLOW DTCs from the PCM. |
| U0415 | Invalid Data Received from Anti-Lock Brake System (ABS) Control Module | 4X4 control module | RETRIEVE and FOLLOW DTCs from the ABS module. |
| U0455 | Invalid Data Received From Restraints Occupant Classification System Module | RCM | RETRIEVE and FOLLOW DTCs from the OCSM. |
| U2196 | Invalid 'Engine RPM' Data | HCM | RETRIEVE and FOLLOW DTCs from the PCM. |
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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