Tire Pressure Monitoring System (TPMS) (Diagnostics)

• Basic Diagnostic Procedure
  • Procedure
• Check List for Interview
  • Check
• General Description
  • Caution
    • SRS Airbag System
    • TPMS & KEYLESS ENTRY Control Module OR TPMS Control Module
  • Inspection
    • Basic Inspection
  • Preparation Tool
    • SUBARU Special Tool
    • Recommended Tool
  • System Block Diagram
• Electrical Component Location
  • Location
• Control Module I/O Signal
  • Electrical Specification
• Inspection Mode
  • Procedure
• Diagnostic Procedure for Subaru Select Monitor Communication
  • Inspection
• Data Monitor
  • Operation
  • List
• Register Transmitter (ID)
  • Operation
• Tire Pressure Warning Light/Trouble Indicator Light Illumination Pattern
  • Inspection
  • Tire Pressure Warning Light Does Not Come On
  • Tire Pressure Warning Light Does Not Come Off
  • Tire Pressure Warning Light Is 25 Times Blinking And Turn On
• Diagnostic Trouble Code (DTC)
  • Operation
  • List
• Diagnostic Procedure with Diagnostic Trouble Code (DTC)
  • DTC C2021: Fl Tire Air Pressure Decrease Normal Mode
  • DTC C2022: Fr Tire Air Pressure Decrease Normal Mode
  • DTC C2023: RR Tire Air Pressure Decrease Normal Mode
  • DTC C2024: RL Tire Air Pressure Decrease Normal Mode
  • DTC C2121: Fl Transmitter No Data
  • DTC C2122: Fr Transmitter No Data
  • DTC C2123: RR Transmitter No Data
  • DTC C2124: RL Transmitter No Data
  • DTC C2221: Fl Transmitter Pressure Data Abnormal
  • DTC C2222: Fr Transmitter Pressure Data Abnormal
  • DTC C2223: RR Transmitter Pressure Data Abnormal
  • DTC C2224: RL Transmitter Pressure Data Abnormal
  • DTC C2321: Fl Transmitter Status Abnormal
  • DTC C2322: Fr Transmitter Status Abnormal
  • DTC C2323: RR Transmitter Status Abnormal
  • DTC C2324: RL Transmitter Status Abnormal
  • DTC C2421: Fl Transmitter Battery Voltage Decrease
  • DTC C2422: Fr Transmitter Battery Voltage Decrease
  • DTC C2423: RR Transmitter Battery Voltage Decrease
  • DTC C2424: RL Transmitter Battery Voltage Decrease
  • DTC C2521: Speed Abnormal
  • DTC C2721: Threshold Read Malfunction
  • DTC C2821: Wheel Position Sensing Abnormal
  • DTC C2921: Id Registration Error