|418-00 Module Communications Network
||Procedure revision date:
No Communication Between the Integrated Diagnostic System (IDS) and the Vehicle
Before beginning any service procedure in this section, REFER to Safety Warnings in section 100-00 General Information. Failure
to follow this instruction may result in serious personal injury.
Health and Safety Precautions
(100-00 General Information, Description and Operation).
Establish a scan tool session.
For vehicles with push-button start, refer to Steering Wheel and Column Electrical Components in Section 211-05.
module has been replaced, it may not be possible to place the ignition in RUN. The
module can communicate with a scan tool with the ignition in the OFF state.
Turn ignition to RUN.
The scan tool first attempts to communicate with the
. After establishing communication with the
, the scan tool then attempts to communicate with all other modules on the vehicle.
session cannot be established with the vehicle,
may state "No communication can be established with the Powertrain Control Module (PCM)."
Choose "NO" when the scan tool prompts whether or not to retry communication.
part number, tear tag or calibration number to identify the vehicle and start a session. The
part number and 4-character tear tag number are printed on the
label. If the
part number cannot be found, a base part number search on the HVBOM application (under the
tab on the technician service publication website) retrieves the
If the scan tool cannot communicate with the vehicle after manually entering the PCM part number, diagnose the
does not respond to the scan tool.
(418-00 Module Communications Network, Diagnosis and Testing).
Copyright © Ford Motor Company