Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1.0 Date: 30/11/2019 Author: ERC Page 92 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 P244B -00- Particulate Filter Differential Pressure Too High Bank 1 Overview: Code Cause Effect on Vehicle Fault Code: P244B-00 1.Sensor connection 2.Electrical wiring 3.ECU connection 4.Sensor malfunctioning 1.MIL Lamp Will glow 2.Torque reduction Checkpoints: Check Battery Voltage Trouble Shooting Steps: Sr. No. Steps Specifications Step 1 Check connector is connected properly Remove and connect again Step 2 Check for continuity between sensor connector pins 1, 2, 3 and ECU pins A57, A49, A45 respectively. Check the continuity between the sensor and ECU Step 3 Check the ECU connector is connected properly Connect the ECU connector properly Step 4 Check the sensor physically Physical check Step 5 If the problem persists, replace the sensor - Circuit Schematic Diagram:
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