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Home >> Toyota >> 2024 >> Corolla LE >> Repair and Diagnosis >> External Pages >> Different car >> Section 375 (Engine Control System (2ZR-FAE) - Diagnostic Codes (6 Of 8)) >> SFI System >> DTC P10A0: VALVEMATIC Angle Difference (CSS); DTC P1055: VALVEMATIC Angle Difference (ECU) [01/2019 - 03/2019] >> Monitor Description

Monitor Description

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The ECM monitors the continuously variable valve lift controller assembly and detects malfunctions. If the actual duration differs from the requested duration by 14.5°CA or higher, the ECM illuminates the MIL and stores a DTC. DTC P10A0 is usually only stored if a malfunction is detected during cold engine start. DTC P1055 is stored if a malfunction is detected in any other situation.

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