DTC U0100-87: Lost Communication With ECM/Pcm "A" Missing Message: Notes

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1. -

Outline of diagnosis:

Malfunction of CAN communication with module (CAN system malfunction)

(1 trip detection logic)

Trouble symptom:

Reduced output power
A driving range is limited
Engine always stopped

CAUTION: Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .

G13618166

Courtesy of SUBARU OF AMERICA, INC.

CHECK DTC .
Read the DTC of [P-HEV Hybrid Powertrain Control] using the Subaru Select Monitor. Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

Is DTC P253012 displayed?

Yes : Perform the diagnosis for DTC P253012. Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC P253012 IG2 SIGNAL CIRCUIT SHORT TO AUXILIARY BATTERY .

No : Perform the diagnosis for LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS) (HEV)>BASIC DIAGNOSTIC PROCEDURE .