DTC C1412: Selected Parameter

DTC Detecting condition: 

• A fault is detected if abnormal set value is found on the vehicle model that were given some parameters.
• A fault is detected if 0 point setting compensation of the sensor is not yet performed.

Trouble symptom: 

• ABS does not operate.
• VDC does not operate.
• Hill hold does not function.
• EyeSight does not operate.

1. CHECK VDCCM AND H/U IDENTIFICATION SYMBOL  .

   Check the identification symbol attached on the H/U. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>GENERAL DESCRIPTION>SPECIFICATION .

   Is the identification symbol correct?

   Yes:  Go to  2.

   No:  Replace the VDCCM and H/U. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM & H/U) .

2. CHECK PARAMETER SELECTED IN VDCCM  .

   Check the parameters. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM & H/U)>MAINTENANCE MODE>VDCCM PARAMETER CHECK .

   Does the parameter registered in the VDCCM match the relevant vehicle?

   Yes:  Go to  3.

   No:  Select and register the correct parameter. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM & H/U)>MAINTENANCE MODE>VDCCM PARAMETER SELECTION .

3. CHECK ECM SPECIFICATION  .

   Check the ECM specification.

   Is the specification of ECM same as vehicle specification?

   Yes:  Replace the VDCCM and H/U. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM & H/U) .

   No:  Replace the ECM. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO(HEV))>ENGINE CONTROL MODULE (ECM) .