Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 146 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 P242C- 00- Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3 Overview: Code Cause Effect on Vehicle Fault Code: P242C- 00 1. DPF inlet temperature (T5) Sensor short circuit to ground 2. DPF inlet temperature (T5) Sensor connector loose connection or damage 3. ECU connector loose connection 4. Electrical wiring damage 5. Wiring connector breakage 6. T5 sensor malfunctioning 7. ECU terminal pin bend or damage 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 the DPF inlet temperature (T5) sensor connector is connected properly - Step 2 Check for continuity between 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 - Step 5 Check for any loose connection or damage in T5 sensor connector or ECU connector. - Step 6 Check the T5 sensor physically - Step 7 If the problem persists, replace the sensor -
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