Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1.0 Date: 30/11/2019 Author: ERC Page 112 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 P244A-97- Particulate Filter Differential Pressure Too Low Bank 1 Overview: Code Cause Effect on Vehicle Fault Code: P244A-97 1. Soot value calculated from ECU is very high 2. Clogging of DPF 3. 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 choked due to soot accumulation - Step 2 Clean the DPF by pressurized air. Apply air pressure from DPF outlet Step 3 Check actuator connections for VGT, Throttle and EGR Connect the ECU connector properly Circuit Schematic Diagram: Component location and image:
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