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Home >> Toyota >> 2017 >> Corolla LE >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Continuously Variable Transaxle - Diagnostic Codes (1 Of 3) (Model Code: ZRE172) >> Continuously Variable Transaxle System >> DTC P099B, P099C; Shift Solenoid "G" Control Circuit Low (Shift Solenoid Valve SC) [08/2013 - 08/2014] >> Description
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DTC P099B, P099C; Shift Solenoid "G" Control Circuit Low (Shift Solenoid Valve SC) [08/2013 - 08/2014]: Description

Based on the signal received by the shift solenoid valve SC, the ECM uses the shift solenoid valve SLU to control the forward and reverse clutch pressure.

If there is an open or short in the shift solenoid valve SC circuit, the ECM stops sending current to the defective shift solenoid valve.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory
P099B Shift Solenoid "G" Control Circuit Low (Shift Solenoid Valve SC)
  1. Diagnosis Condition
    • The vehicle is being driven.
  2. Malfunction Status
    • There is a short in the shift solenoid valve SC circuit.
  3. Malfunction Time
    • 3 seconds
  4. Other
    • 1-trip detection logic
  • Wire harness or connector
  • Continuously variable transaxle assembly (Shift solenoid valve SC)
  • ECM
 Comes on DTC stored
P099C Shift Solenoid "G" Control Circuit High (Shift Solenoid Valve SC)
  1. Diagnosis Condition
    • The vehicle is being driven.
  2. Malfunction Status
    • There is an open in the shift solenoid valve SC circuit.
  3. Malfunction Time
    • 0.5 seconds
  4. Other
    • 1-trip detection logic
  • Wire harness or connector
  • Continuously variable transaxle assembly (Shift solenoid valve SC)
  • ECM
 Comes on DTC stored
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