Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 144 of 834 Copyright by TATA MOTORS Ltd. This document must not be used in any w ay, such as copying and redistributing to third parties, w ithout our consent P242D- 00 - Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 3 Overview: Code Cause Effect on Vehicle Fault Code: P242D- 00 1. DPF inlet temperature (T5) sensor open Circuit 2. DPF inlet temperature (T5) Sensor connection 3. ECU connector loose connection 4. Electrical wiring damage 5. Wiring connector breakage 6. T5 Sensor malfunctioning 7. ECU connector pin backout 8. ECU terminal pin damage/bend 1. CE Lamp On 2. Reduced vehicle performance 3. Disabled drive mode option Lamp status: Check Engine Lamp on Malfunction Indicator Lamp off Checkpoints: Check Battery Voltage at Ignition off (Nominal Range 11.5V ~ 12.8V) Trouble Shooting Steps: Sr. No. Steps Specifications Step 1 Check whether the DPF inlet temperature sensor connector is connected properly - Step 2 Check for continuity between the sensor connector pins 1, 2 and ECU pins A26, A21. Check the End to end continuity using multi-meter Step 3 Check the ECU terminal pin for any damage or bend - Step 4 Check whether the ECU connector is connected properly. Check for any damage in the ECU or the sensor connector. - Step 5 Check for any pin backout in ECU connector and the sensor connector - Step 6 Remove sensor from DPF &Check the sensor physically for any damage - Step 7 If the problem persists, replace the sensor - Verification condition:
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