NEXON NEW MCE-2 DCT BS VI DTC Troubleshooting Guide Version: 1.0 Date: 16-06-2023 Author: Akash/Rahul Page:521 of 645 Copyright ©TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author. 147. P3130-79 Clutch 2 shaft defect: mechanical linkage failure Overview: ISO Code P3130-79 Customer Symptom • Clutch 2 deactivation • Transmission Fault Lamp ON Fault Effects (On Vehicle) • Clutch 2 deactivation • Transmission Fault Lamp ON Lamp Status (If Any) Transmission Fault Lamp ON (Service indication 0x2) Fault Detection Condition Reduced amount of torque transfered from input to inner primary shaft Normal Operating Condition TCU does not detected any fault Probable Trouble Area 1. HCU. 2. TCU. 3. Transmission. Healing Condition SW restart Component Details: Clutch actuator 1 & 2 mounted in hydraulic control unit to enables the actuation of the clutches and makes internal electrical contact with the TCU Preliminary Checks: 1) Loose/ Damaged Connections between Electro valve and TCU. 2) Loose/ Damaged mechanical fitments of TCU (TCU to valve body mounting). 3) Check correct fitment of ground cable connections on vehicle chassis. Trouble Shooting:- Step Checks IF YES IF NO 1. Check if the Speed sensor - Inner shaft connectors are properly connected and free from damage. Run the UDS service routine having RID 0xF88E in order to clean up specific torque values stored in eeprom through diagnostic tool TDS; perform a key cycle. Clear the DTC and check if the DTC does not come back. Go to step 2 2. if fault persists, replace HCU, and perform necessary adaptions Clear the DTC and check if the DTC does not come back. Go to step 3 3. If fault persists replace TCU, and flash/perform necessary adaptions Clear the DTC and check if the DTC does not come back. Go to step 4 4 If fault persists replace transmission Clear the DTC and check if the DTC does not come back • Resistance Check ➢ Disconnect transmission side 28 pole connector (X-201) and check below resistance at (X-201) connector terminal
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