Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 398 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 P02E0- A2: Diesel Intake Air Flow “A” Control Circuit/Open - Low Overview: Code Cause Effect on Vehicle Fault Code: P02E0- A2 1. Low voltage supply to Throttle 2. Charging circuit failure 3. Wiring harness damage 4. ECU hardware malfunction 5. ECU terminal pin damage or bend 6. ECU connector pin backout 1.CE Lamp ON 2.High engine noise may be observed 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 Throttle 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 ECU terminal pin for any damage or bend. Check the ECU connector for any pin backout - Step 4 Check the charging circuit – Alternator to battery wiring connection for proper functioning. If not proper, do the necessary repair. - Step 5 Check whether the battery is maintaining the voltage after charging it externally by charging unit. If the battery is weak, replace the battery. -
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