Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc c1424 ecm

Subaru Legacy BN/BS (2015-2019) Service Manual / Vehicle dynamics control (vdc) (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc c1424 ecm

DTC DETECTING CONDITION:

A fault is detected if malfunction judgment flag for the engine system is received from ECM for a predetermined time or more.

TROUBLE SYMPTOM:

• Hill hold does not function.

• EyeSight does not operate. (Models with EyeSight)

STEP	CHECK	YES	NO
1.CHECK ECM. 1) Start the engine. 2) Check DTC of ECM. Read Diagnostic Trouble Code (DTC) Read Diagnostic Trouble Code (DTC)	Is DTC displayed-	Perform the diagnosis according to DTC. List of Diagnostic Trouble Code (DTC) List of Diagnostic Trouble Code (DTC)	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1424 ECM
2.CHECK VDCCM&H/U. 1) Perform the Clear Memory Mode. Clear Memory Mode 2) Perform the Inspection Mode. Inspection Mode 3) Read the DTC. Read Diagnostic Trouble Code (DTC)	Is the same DTC displayed-	Replace the VDCCM&H/U. VDC Control Module and Hydraulic Control Unit (VDCCM&H/U)	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1424 ECM
3.CHECK DETECTION OF OTHER DTCS FOR VDC. Read Diagnostic Trouble Code (DTC)	Is any other DTC displayed-	Perform the diagnosis according to DTC. List of Diagnostic Trouble Code (DTC)	Currently, it is normal. There may have been a poor contact in the harness and connector or a temporarily noise interference.

Dtc c1431 at

DTC DETECTING CONDITION:A fault is detected if malfunction flag is received from TCM.TROUBLE SYMPTOM:• VDC does not operate.• Hill hold does not function.• EyeSight does not operate. ...

Dtc c1413 power supply voltage

DTC DETECTING CONDITION:A fault is detected if the power supply voltage is out of normal range for a predetermined time or more.TROUBLE SYMPTOM:• ABS does not operate.• EBD may not operate ...

Other materials:

Dtc b1902 short in front p/t rh (to ground)
DIAGNOSIS START CONDITION:Ignition voltage is 10 V to 16 V.DTC DETECTING CONDITION:GND short circuit failure (shorted to ground in rear harness, shorted to ground in front seat pretensioner RH, shorted to ground in airbag CM internal circuit)CAUTION:Before performing diagnosis, refer to “CAUTI ...