DTC U0100-87: Lost Communication With ECM/Pcm "A" Missing Message: Notes
WARNING: This page is about a different variant/trim than selected.
1. -
Detecting condition:
Malfunction of CAN communication with ECM (CAN system malfunction)
(1 trip detection logic)
Trouble symptom:
Normal driving
CAUTION:
Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to P-HEV DRIVE MOTOR (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .
- CHECK DTC
.
Read the DTC of [P-HEV Drive Motor] using the Subaru Select Monitor. Ref. to P-HEV DRIVE MOTOR (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Are any DTCs listed in reference above displayed?
Yes: Perform the diagnosis of DTC P312487. Ref. to P-HEV DRIVE MOTOR (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC P312487 LOST COMMUNICATION BETWEEN DRIVE MOTOR "A" AND HV ECU MISSING MESSAGE .
NOTE: DTC U010087, U029387 or U117087 may be output due to a malfunction that outputs DTC P312487. Check DTC P312487 first, and then perform the reproducing test to check that the DTC is not output.No: Check the CAN communication system. Ref. to LAN SYSTEM (DIAGNOSTICS) (HEV)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .