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HOMESERVICE MANUALSFORD2009EXPLORER SPORT TRAC 4D PICKUP CREW CABREPAIR AND DIAGNOSISGENERAL INFORMATIONDTC INDEXCOMMUNICATION DEVICES DTCSMODULE COMMUNICATIONS NETWORK
2009 Ford Explorer Sport Trac 4D Pickup Crew Cab
Module Communications Network
2009 Ford Explorer Sport Trac 4D Pickup Crew CabSECTION Module Communications Network
NETWORK DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| U0073 | Control Module Communication Bus A Off | Transmission control module (TCM) | 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 | TCM | 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. |
| U0102 | Lost Communication With Transfer Case Control Module (4x4CM) | TCM | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module that fails the network test. |
| U0121 | Lost Communication With Anti-Lock Brake System (ABS) Control Module | TCM | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module that fails the network test. |
| U0140 | Lost Communication With Body Control Module (GEM) | Audio control module (ACM) | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. |
| U0140 | Lost Communication With Body Control Module (GEM) | Instrument cluster (IC) | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module that fails the network test. |
| U0140 | Lost Communication With Body Control Module (GEM) | Parking aid module (PAM) | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module that fails the network test. |
| U0140 | Lost Communication With Body Control Module (GEM) | Rear entertainment module (RETM) | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | ACM | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | PAM | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module that fails the network test. |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | Smart junction box (SJB) | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module that fails the network test. |
| U0159 | Lost Communication With Parking Assist Control Module (PAM) | IC | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module that fails the network test. |
| U0164 | Lost Communication With HVAC Control Module (EATC) | SJB | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module that fails the network test. |
| U0184 | Lost Communication With Radio (ACM) | Accessory protocol interface module (APIM) | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. |
| U0184 | Lost Communication With Radio (ACM) | RETM | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. |
| U0184 | Lost Communication With Radio (ACM) | Satellite digital audio receiver system (SDARS) module | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. |
| U0193 | Lost Communication With Digital Audio Control Module (SDARS) | ACM | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. |
| U0193 | Lost Communication With Digital Audio Control Module (SDARS) | RETM | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. |
| U0196 | Lost Communication With Entertainment Control Module - Rear (AUX) | ACM | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. |
| U0196 | Lost Communication With Entertainment Control Module - Rear (AUX) | APIM | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. |
| U0196 | Lost Communication With Entertainment Control Module - Rear (AUX) | SDARS module | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. |
| U0197 | Lost Communication With Telephone Control Module | ACM | DISREGARD this DTC. |
| U0197 | Lost Communication With Telephone Control Module | SDARS module | DISREGARD this DTC. |
| U0208 | Lost Communication With Seat Control Module (DSM) | IC | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module that failed the network test. |
| U0238 | Lost Communication With Audio Digital Signal Proc. Module | ACM | DISREGARD this DTC. |
| U0244 | Lost Communication With Running Board Control Module (PRB) | IC | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module that failed the network test. |
| U0249 | Lost Communication With Rear Audio Control Unit | ACM | DISREGARD this DTC. |
| U0249 | Lost Communication With Rear Audio Control Unit | APIM | DISREGARD this DTC. |
| U0249 | Lost Communication With Rear Audio Control Unit | SDARS module | DISREGARD this DTC. |
| U0255 | Lost Communication With Front Control Interface Module | ACM | DISREGARD this DTC. |
| U0255 | Lost Communication With Front Control Interface Module | APIM | DISREGARD this DTC. |
| U0256 | Lost Communication With Front Display Interface Module | ACM | DISREGARD this DTC. |
| U0256 | Lost Communication With Front Display Interface Module | APIM | DISREGARD this DTC. |
| U1900 | CAN Communication Bus Fault-Receive Error | ACM | Go to Symptom Chart for module that failed the network test. |
| U1900 | CAN Communication Bus Fault-Receive Error | Driver seat module (DSM) | Go to Symptom Chart for module that failed the network test. |
| U1900 | CAN Communication Bus Fault-Receive Error | IC | Go to Symptom Chart for module that failed the network test. |
| U1900 | CAN Communication Bus Fault-Receive Error | Occupant classification system module (OCSM) | Go to Symptom Chart for module that failed the network test. |
| U1900 | CAN Communication Bus Fault-Receive Error | Power running board (PRB) module | Go to Symptom Chart for module that failed the network test. |
| U1900 | CAN Communication Bus Fault-Receive Error | RCM | Go to Symptom Chart for module that failed the network test. |
| U1900 | CAN Communication Bus Fault-Receive Error | 4X4 control module | Go to Symptom Chart for module that failed the network test. |
| U1901 | CAN #2 Communication Bus Fault - Receive Error | ABS module | REFER to VEHICLE DYNAMIC SYSTEMS article. |
| U2013 | Compass Module Is Not Responding | IC | REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article. |
| U2023 | Fault Received From External Node | ABS module | U2023 is set when a module receives invalid network data from another module with a faulted input. RETRIEVE and REPAIR all non-network DTCs in the other modules on the network. REFER to MULTIFUNCTION ELECTRONIC MODULES article for a list of all DTCs. |
| U2023 | Fault Received From External Node | IC | U2023 is set when a module receives invalid network data from another module with a faulted input. RETRIEVE and REPAIR all non-network DTCs in the other modules on the network. REFER to MULTIFUNCTION ELECTRONIC MODULES article for a list of all DTCs. |
| U2023 | Fault Received From External Node | PAM | U2023 is set when a module receives invalid network data from another module with a faulted input. RETRIEVE and REPAIR all non-network DTCs in the other modules on the network. REFER to MULTIFUNCTION ELECTRONIC MODULES article for a list of all DTCs. |
| U2023 | Fault Received From External Node | 4X4 control module | U2023 is set when a module receives invalid network data from another module with a faulted input. RETRIEVE and REPAIR all non-network DTCs in the other modules on the network. REFER to MULTIFUNCTION ELECTRONIC MODULES article for a list of all DTCs. |
| U2471 | Unexpected PRNDL State | PAM | RETRIEVE and FOLLOW non-network DTCs from the other modules. REFER to MULTIFUNCTION ELECTRONIC MODULES article for a list of all DTCs. |
| U2472 | Unexpected Ignition State | PAM | RETRIEVE and FOLLOW non-network DTCs from the other modules. REFER to MULTIFUNCTION ELECTRONIC MODULES article for a list of all DTCs. |
| U2473 | Unexpected Vehicle Speed (VSS) | ACM | RETRIEVE and FOLLOW non-network DTCs from the other modules. REFER to MULTIFUNCTION ELECTRONIC MODULES article for a list of all DTCs. |
| U2473 | Unexpected Vehicle Speed (VSS) | PAM | RETRIEVE and FOLLOW non-network DTCs from the other modules. REFER to MULTIFUNCTION ELECTRONIC MODULES article for a list of all DTCs. |
| U2510 | CAN - Invalid Data For Vehicle Security | IC | RETRIEVE and FOLLOW non-network DTCs from the other modules. REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article. |
| U2511 | CAN - Data Mis-Match (Receive Data Does Not Match Expected) | IC | RETRIEVE and FOLLOW non-network DTCs from the other modules. REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article. |
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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.