Subaru Crosstrek Service Manual: 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)

Dtc u0073 control module communication bus off

Other materials:

Except U.S.-spec. models (type B)
The illustration above is a typical example. For some models, the combination meter may be slightly different than that shown in the illustration. Tachometer Multi information display Fuel gauge Select lever/gear position indicator Speedometer Trip meter A/B selection and trip m ...

Installation
EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)(H4DO) > CanisterINSTALLATION1. Install the canister to the vehicle using bolts and nuts.Tightening torque:7.5 N·m (0.8 kgf-m, 5.5 ft-lb)2. Install the drain tube (A), vent tube (B) and purge tube (C) to the canister.CAUTION:• Check tha ...

Ignition switch (models without "keyless access with push-button start system")
WARNING Never turn the ignition switch to the "LOCK" position while the vehicle is being driven or towed because that will lock the steering wheel, preventing steering control. And when the engine is turned off, it takes a much greater effort than usual to steer. Before leaving t ...