Ford F 150 2wd Factory Workshop Manual (V8-4.6L (2008))
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Ford Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm Module, (Vehicle Antitheft) > Component Information > Service and Repair > Vehicle Security Module (VSM) - Regular Cab
Alarm Module: Service and Repair Vehicle Security Module (VSM) - Regular Cab VEHICLE SECURITY MODULE (VSM) - REGULAR CAB
Removal
CAUTION: Electronic modules are sensitive to static electrical charges. If exposed to these charges, damage to the module may result.
NOTE:
Prior to the removal of the module, it is necessary to upload the module configuration information to a scan tool. This information must be downloaded into the new vehicle security module (VSM) after installation. to carry out programmable module installation (PMI).
For the VSM to accept the PMI procedure, the following conditions must be met:
a. the headlamp switch must be in the OFF position (must not be in the AUTOLAMP position, if
equipped) b. the key must be in the ON position c. the driver door must be open d. the doors must
be unlocked electronically by pressing the door lock control switch to the UNLOCK position
momentarily.
Failure to follow this procedure will result in the PMI procedure to fail.
The tire pressure monitoring system (TPMS) functionality is integral to the VSM.
A new VSM is delivered in a "manufacturing mode" with 6 pre-set DTCs. These DTCs require that a successful configuration of the VSM occurs, then a successful TPMS sensor training occurs, then a successful self-test occurs, including the clearing of all DTCs. This is required in order to clear the 6 manufacturing mode DTCs. They are as follows:
- B2477 (Module Configuration Failure)
- B2868 (Left Front Tire Pressure Sensor Fault)
- B2869 (Right Front Tire Pressure Sensor Fault)
- B2870 (Right Rear Tire Pressure Sensor Fault)
- B2871 (Left Rear Tire Pressure Sensor Fault)