Subaru Crosstrek Service Manual: Dtc u0100 lost communication with ecm/pcm a

Subaru Crosstrek Service Manual / Hvac system (auto a/c) (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc u0100 lost communication with ecm/pcm a

HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC U0100 LOST COMMUNICATION WITH ECM/PCM “A”

Detected when CAN data from the engine control module (ECM) does not arrive.

NOTE:

Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE">

Diagnostic procedure with diagnostic trouble code (dtc)

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Dtc u0073 control module communication bus off

HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0073 CONTROL MODULE COMMUNICATION BUS OFFDetected when CAN line abnormality is detected.NOTE:Perfo ...

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Installation
BRAKE > Rear Brake PadINSTALLATIONNOTE:Before installation, remove mud and foreign matter from the caliper body assembly and support - rear disc brake.1. Before installation, check the brake pad. Rear Brake Pad > INSPECTION">2. Apply a thin coat of grease to the pad clip.Preparation i ...

Installation
CONTINUOUSLY VARIABLE TRANSMISSION(TR580) > Oil Pump ChainINSTALLATION1. Clean the mating surface of oil pump chain cover and converter case.2. Using the ST, install the oil seal.NOTE:• Use a new oil seal.• Apply CVTF to the oil seal lip and press-fitting surface.ST 499755602PRESS ...

Inspection
EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)(H4DO) > Purge Control Solenoid ValveINSPECTION1. PURGE CONTROL SOLENOID VALVE1. Check that the purge control solenoid valve has no deformation, cracks or other damages.2. Measure the resistance between the purge control solenoid valve terminals.Ter ...