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

WARNING: This page is about a different variant/trim than selected.

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 .

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 P2530-12 displayed?

Yes:

Perform the diagnosis for DTC P2530-12. Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC P2530-12: IG2 SIGNAL CIRCUIT SHORT TO AUXILIARY BATTERY .

No:

Perform the diagnosis for LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS) (HEV)>BASIC DIAGNOSTIC PROCEDURE .