Check VDC Control Module

2010 Subaru Forester X Premium, StandardSECTION Check VDC Control Module
DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK VEHICLE SPEED SIGNAL  .
  1. Lift up the vehicle and support it with rigid racks.
  2. Drive the vehicle faster than 10 km/h (6 MPH).
    WARNING: Be careful not to get caught in the running wheels.
  3. Measure the voltage between combination meter connector and chassis ground.
Connector & terminal 
(i10) No. 31 (+) - Chassis ground (-): 
Is the voltage less than 1 V ↔ 5 V or more? Replace the meter case assembly. Go to step .
2 CHECK HARNESS BETWEEN VDC CONTROL MODULE AND COMBINATION METER  .
  1. Turn the ignition switch to OFF.
  2. Disconnect the connectors from the VDC control module and combination meter.
  3. Measure the resistance between VDC control module harness connector and combination meter harness connector.

Connector & terminal 
(B310) No. 33 - (i10) No. 31: 
Is the resistance less than 10 Ω? Check the VDC control module. Refer to BASIC DIAGNOSTIC PROCEDURE . Repair the wiring harness.
RENDER: 1.0x

NO RELATED

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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.