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Home >> Scion >> 2016 >> iM Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - (Diagnostic Codes (P265B-U011B) & Circuit Tests) >> SFI System >> DTC U011B: Lost Communication with Rocker Arm Control Module "A" [06/2015 - ] >> Description

DTC U011B: Lost Communication with Rocker Arm Control Module "A" [06/2015 - ]: Description

The ECM and continuously variable valve lift controller assembly communicate via the CAN communication system.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory
U011B Lost Communication with Rocker Arm Control Module "A" CAN communication stops (1 trip detection logic).
  • CAN communication circuit
  • Continuously variable valve lift controller assembly
  • ECM
Comes on DTC stored