Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 411 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 P006E- 16: Turbocharger/Supercharger Boost Control "A" Supply Voltage Circuit Low Overview: Code Cause Effect on Vehicle Fault Code: P006E-16 1. Low voltage supply to VGT 2. Charging circuit failure 3. Wiring harness damage/Pin backout in VGT connector 4. ECU hardware malfunction 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 the battery condition (Terminal damage/wear, Acid leak, low Specific gravity, low acid level) Trouble Shooting Steps: Sr. No. Steps Specifications Step 1 Check whether the VGT connector is connected properly - Step 2 Check whether the battery terminals are connected properly and they are tight. If not proper, do the necessary repair - Step 3 Check the charging circuit for proper functioning. If not proper, do the necessary repair. - Check whether the battery is maintaining the voltage after charging it externally by charging unit. If the battery is weak, replace the battery. - Step 4 Check ECU connection: 1] Key off 2] Remove the ECU 3] Connect ECU connector Properly 4] Key on and Read the faults - Step 5 Check whether the battery voltage read by the multimeter is matching the battery voltage displayed in the service tool by ECU - Step 6 If there is a mismatch, replace the ECU -
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