Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc c2544 auto start stop system

Subaru Legacy BN/BS (2015-2019) Service Manual / Power assisted system (power steering) (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc c2544 auto start stop system

DTC DETECTING CONDITION:

• When a failure of CAN communication is detected after the ignition switch is ON.

• When the power steering control module has a detection error after the ignition switch is ON.

TROUBLE SYMPTOM:

DTC C2544 is stored in the power steering control module.

STEP	CHECK	YES	NO
1.CHECK LAN SYSTEM. Perform the diagnosis for LAN system using the Subaru Select Monitor. Basic Diagnostic Procedure	Is a DTC related to CAN communication detected-	Perform the diagnosis according to DTC. List of Diagnostic Trouble Code (DTC)	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2544 Auto Start Stop SYSTEM
2.CHECK POWER STEERING CONTROL MODULE. 1) Perform the Clear Memory Mode. Clear Memory Mode 2) Perform the Inspection Mode. Inspection Mode 3) Read the DTC.	Is DTC C2544 detected-	Replace the steering gearbox. Electric Power Steering Gearbox	It results from a temporary noise interference.

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Other materials:

Inspection
1. Check that the fuel sub level sensor has no damage.2. Measure the fuel sub level sensor float position.(1)FULL(2)EMPTY(3)Datum pointsFloat positionStandardFULL to Datum point (A)6.4±3.5 mm (0.252±0.138 in)EMPTY to Datum point (B)163.3±3.5 mm (6.429±0.138 in)3. Measure the resistance between f ...