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Home >> Toyota >> 2011 >> Matrix Base, Automatic >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Engine Immobiliser System (Diagnostic Codes & Circuit Tests) >> Engine Immobilizer System >> DTC B2796: No Communication in Immobilizer System; DTC B2798: Communication Malfunction No. 2 >> Description

DTC B2796: No Communication in Immobilizer System; DTC B2798: Communication Malfunction No. 2: Description

These DTCs are output if a key that does not have a transponder chip is inserted into the ignition key cylinder or if communication between the key and transponder key ECU assembly is impossible.

DTC No. DTC Detection Condition Trouble Area
B2796 The key code cannot be transmitted
  • Key
  • Transponder key amplifier
  • Transponder key ECU assembly
B2798 Key code identification cannot be completed within the specified time (0.15 to 0.5 sec.)
  • Key
  • Transponder key amplifier
  • Transponder key ECU assembly