Honda Civic manuals

Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b2a00 vin reading

DIAGNOSIS START CONDITION:

When ignition switch is ON.

TROUBLE SYMPTOM:

When ignition switch is ON, VIN information (CAN) sent from ECM cannot be read.

DTC DETECTING CONDITION:

Telematics function cannot be used.

RED LED illuminates.

CAUTION:

CommCheck is required after replacing the DCM. Telematics System > OPERATION

STEPCHECKYESNO

1.CHECK DTC.

Read the DTC. Diagnostic Code(s) Display

Is DTC B2A00 displayed- (Current malfunction)

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A00 VIN READING

Even if DTC is displayed, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again.

In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.

2.CHECK DTC.

Check DTCs in the following systems;

Telematics Diagnostic Code(s) Display

Engine Read Diagnostic Trouble Code (DTC) Read Diagnostic Trouble Code (DTC)

Is DTC U**** displayed- (Current malfunction)

Perform the diagnosis for LAN system. Basic Diagnostic Procedure

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A00 VIN READING

3.CHECK CURRENT DATA.

Confirm VIN information from the engine OBD mode. General Scan Tool > OPERATION General Scan Tool > OPERATION

Is VIN information displayed-

Replace the DCM. Data Communication Module

Replace the ECM. Engine Control Module (ECM) Engine Control Module (ECM)

Dtc b2a01 lte1 antenna circuit
DIAGNOSIS START CONDITION:When ignition switch is ON.DTC DETECTING CONDITION:Any of the followings continues for 5 seconds or more.• LTE1 impedance is more than 1 M-. (Detached antenna, etc.)&bu ...

Dtc u0074 control module communication bus "body-can" off
Detected when CAN line abnormality is detected.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Other materials:

Oil pressure warning light
CAUTION Do not operate the engine with the oil pressure warning light on. This may cause serious engine damage. If this light illuminates when the engine is running, it may indicate that the engine oil pressure is low and the lubricating system is not working properly. If ...

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