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DIAGNOSIS <TC-SST> TSB Revision TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST) 22C-109 DTC P181B: Clutch 1 (Pressure low range out) CAUTION • If there is any problem in the CAN bus lines, an incorrect diagnostic trouble code may be • Whenever the ECU is replaced, ensure that the CAN bus lines are normal. . DIAGNOSTIC FUNCTION TC-SST-ECU checks that the clutch 1 pressure is . DESCRIPTIONS OF MONITOR METHODS The pressure of the clutch 1 is too low. . MONITOR EXECUTION • Continuous . MONITOR EXECUTION CONDITIONS Other Monitor (There is no temporary DTC stored in memory for the item monitored below) • P0841: Clutch 1 pressure sensor system (Poor performance) • P0842: Clutch 1 pressure sensor system (Output low range out) • P0843: Clutch 1 pressure sensor system (Output high range out) • P1836: Shift fork 1 malfunction Sensor (The sensor below is determined to be normal) • Clutch 1 pressure sensor . LOGIC FLOW CHARTS (Monitor Sequence) . DTC SET CONDITIONS Check Conditions • Voltage of battery: 8 V or more. • Voltage of battery: 16.5 V or less. or more. AC710671 START No Good Malfunction END Monitoring condition met Continuous failure No Yes Yes Yes No Calculated pressure > 2,000 mbar AB hPa |