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Home >> Subaru >> 2008 >> Forester XT, Standard >> Repair and Diagnosis >> Brakes >> Traction Control >> Abs - Vehicle Dynamics Control (VDC) System (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC 45: Incorrect VDC Control Module Specifications >> Trouble Symptom

DTC 45: Incorrect VDC Control Module Specifications: Trouble Symptom

DTC DETECTING CONDITION CHART

Step Check Yes No
1 CHECK THE VDCCM SPECIFICATION. 
Check the VDCCM identification mark.		 Do the VDCCM identification mark and vehicle specification match? Go to step 2.  Replace the VDCCM. < Ref. to VDC CONTROL MODULE (VDCCM) . >
2 CHECK TCM SPECIFICATION. 
Check the TCM identification mark.		 Do the TCM identification mark and vehicle specification match? Go to step 3.  Replace the TCM. < Ref. to TRANSMISSION CONTROL MODULE (TCM) . >
3 CHECK TCM. 
  1. Replace the TCM. < Ref. to TRANSMISSION CONTROL MODULE (TCM) . >
  2. Erase the memory.
  3. Perform the Inspection Mode.
  4. Read the DTC.
 Is the same DTC displayed again? Go to step 4.  Defect exists in original TCM.
4 CHECK TCM.  In the current diagnosis, is the same DTC displayed again? Go to the diagnosis corresponding to the DTC. Go to step 5. 
5 CHECK VDCCM. 
  1. Install the original TCM.
  2. Replace the VDCCM. < Ref. to VDC CONTROL MODULE (VDCCM) . >
  3. Erase the memory.
  4. Perform the Inspection Mode.
  5. Read the DTC.
 Is the same DTC displayed again? Go to step 6.  Defect exists in original VDCCM.
6 CHECK VDCCM.  Is the same DTC as current diagnosis still displayed? Replace the TCM. < Ref. to TRANSMISSION CONTROL MODULE (TCM) . > Proceed with the diagnosis corresponding to the DTC.
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