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Home >> Toyota >> 2018 >> Camry LE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 25 (Engine Control System (2GR-FKS) - Diagnostic Codes (9 Of 9) & Circuit Tests (1 Of 2) (Except Hybrid)) >> SFI System >> DTC U0101-87: Lost Communication with TCM Missing Message [06/2017 - 08/2018] >> Monitor Description

Monitor Description

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

The engine control unit and the transmission control unit are located inside the ECM. The engine control unit intercommunicates with the transmission control via CAN communication.

If there is a problem in this communication, the ECM store this DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
U0101-87 Lost Communication with TCM Missing Message All of the following conditions are met for 1.25 seconds (1 trip detection logic):
  • Engine switch on (IG)
  • Battery voltage is 10 V or higher
  • No communication between engine control unit and transmission control unit
 ECM Comes on DTC stored SAE Code: U0101
DTC for Mexico Models: Applies
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