Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 805 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 P004D-00: Turbocharger/Supercharger Boost Control "B" Circuit High Overview: Code Cause Effect on Vehicle Fault Code: P004D-00 4. VGT sensor short circuit to supply – Negative Terminal 5. ECU terminal pin damage or bend 6. ECU connector pin backout 4. MIL Lamp ON 5. Reduced vehicle performance 6. Disabled drive mode option Lamp status: Check Engine Lamp off Malfunction Indicator Lamp on Checkpoint: Check Battery Voltage at Ignition off (Nominal Range 11.5V ~ 12.8V) Trouble Shooting Steps: Sr. No. Steps Specifications Step 1 Check connector is connected properly. Remove and connect again properly - Step 2 Check the ECU terminal pin for any damage or bend. Check the ECU connector for any pin backout - Step 3 Check the continuity between VGT connector pin 2 and ECU connector pin A92. If there is any discontinuity, correct it - Step 4 Check for any physical damage in VGT actuator or connector - Step 5 If problem persists, replace the Turbo charger - Verification condition: Drive the vehicle in city and highway condition. Circuit Schematic Diagram:
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