Normal Operation and Fault Conditions

2021 Ford Edge SE, 4WDSECTION Normal Operation and Fault Conditions
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

With the ignition ON, the EPB module sends messages to the ABS module over the HS-CAN 2. If the ABS module does not receive these messages within the specified time frame, the ABS module sets DTCs. This can be due to a EPB module failure, a circuit failure on the network or an excessive load on the network. For information on the messages sent to the ABS module by the EPB module, refer to the Anti-Lock Brake System (ABS) and Stability Control article Description and Operation article.Β 

DTC DESCRIPTION

DTC Description Fault Trigger Conditions
U0128:00 Lost Communication With Park Brake Control Module: No Sub Type Information With the ignition ON, the EPB module sends messages to the ABS module over the HS-CAN2. If the ABS module does not receive these messages within the specified time frame, the module sets a DTC. This can be due to a EPB module failure, a circuit failure on the network or an excessive load on the network. For information on the messages sent to the ABS module by the EPB module, refer to the Anti-Lock Brake System (ABS) and Stability Control article, Desctiption and Operation.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.