Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1.0 Date: 30/11/2019 Author: ERC Page 104 of 610 Copyright by TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without our consent P24A4-00- Particulate Filter Restriction - Soot Accumulation Too High Bank 1 Overview: Code Cause Effect on Vehicle Fault Code: P24A4-00 1.Aging of sensor 2.Sensor connection 3.Electrical wiring 4.ECU connection 5.Sensor malfunctioning 6. Clogging of DPF 7. Vehicle not driven in suitable condition. 1.CE Lamp will glow 2. Vehicle performance deterioration Checkpoints: Check sensor Voltages for Differential pressure. Trouble Shooting Steps: Sr. No. Steps Specifications Step 1 If vehicle is not driven in suitable condition, DPF filter will be overloaded Service regeneration Step 2 Check connector of DP sensor are connected properly Remove and connect again Step 3 Check for continuity between sensor connector pins 1, 2, 3 and ECU pins A57, A49, A45 respectively and for catalyst temperature sensors. Check the continuity between the sensor and ECU Step 4 Check the ECU connector is connected properly Connect the ECU connector properly Step 5 Check the sensors physically Physical check Step 6 Check air path leakage Physical check Step 7 Check actuator connections for VGT, Throttle and EGR Physical check Step 8 If the problem persists, replace the sensor - Circuit Schematic Diagram:
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