Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 330 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 P0045-00 : Turbocharger/Supercharger Boost Control "A" Circuit/Open Overview: Code Cause Effect on Vehicle Fault Code: P0045- 00 1. VGT actuator drive wiring open circuit 2. ECU connector pin backout 3. ECU terminal pin damage or bend 1. MIL Lamp ON 2. Reduced vehicle performance 3. 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 whether the VGT 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 1,2,3,4,5 and ECU connector pin A71, A92, A05, A08, A04 respectively. 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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