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DIAGNOSIS <TC-SST> TSB Revision TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST) 22C-165 • P1878: Gear block 3rd Sensor (The sensor below is determined to be normal) • Not applicable . LOGIC FLOW CHARTS (Monitor Sequence) . DTC SET CONDITIONS Check Conditions • Voltage of battery: 8 V or more. JUDGMENT CRITERIA • Position sensor voltage: 3.008 V or more. (160 millisecond) . OBD-II DRIVE CYCLE PATTERN The position sensor voltage remains 3.008 V or less . PROBABLE CAUSES • Malfunction of TC-SST-ECU DIAGNOSTIC PROCEDURE Required Special Tools: • MB991958 Scan Tool (M.U.T.-III Sub Assembly) • MB991824: Vehicle Communication Interface (V.C.I.) AC710680 START No Good Malfunction END Monitoring condition met Continuous failure No Yes Yes Yes No Shift fork position |