DTC U0417 Invalid Data Received From Park Brake Control Module: Trouble Symptom

2014 Subaru Outback 2.5i, Standard TransSECTION Trouble Symptom

Electronic parking brake cooperation control does not operate.

DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK DTC. 
Check the displayed DTC.
Are DTCs other than U*** displayed? Perform the diagnosis according to DTC. Go to step .
2 CHECK DTC. 
Check the displayed DTC.
Is DTC for the buss off or the data no-receive displayed? Perform the diagnosis according to DTC. Go to step .
3 CHECK DTC. 
Check the displayed DTC.
Is U0417 a current malfunction? Go to step . Go to step .
4 CHECK DTC. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the electronic parking CM connector.
  3. Connect the disconnected connectors.
  4. Read the DTC using Subaru Select Monitor.
Is U0417 a current malfunction? Go to step . Go to step .
5 CHECK DTC. 
Using the Subaru Select Monitor, read DTC of all the systems.
Is the electronic parking data abnormal detected in several modules? Replace the electronic parking CM. Go to step .
6 REPLACE MODULE. 
  1. Replace the electronic parking CM.
  2. Read the DTC using Subaru Select Monitor.
Is U0417 a current malfunction? Go to step . System is normal.
7 CHECK MODULE. 
  1. Reinstall the electronic parking CM.
  2. Replace the module that the DTC has been detected.
  3. Read the DTC using Subaru Select Monitor.
Is U0417 a current malfunction? Replace the electronic parking CM. System is normal.
8 CHECK HARNESS. 
  1. Shake the harness, and check for poor contact.
  2. Read the DTC using Subaru Select Monitor.
Is U0417 a current malfunction? Repair the poor contact of harness, or replace the harness. Go to step .
9 CHECK CONNECTOR. 
Check the connector used for high speed CAN for poor contact.
Is there poor contact of connector? Repair the connector that has poor contact, or replace harness. It is possible that temporary poor communication occurs. Delete the DTC.
RENDER: 1.0x

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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.