Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 438 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 P2371-18: Fuel Volume Regulator Low Current Trim in Low Fuel Delivery Overview: Code Cause Effect on Vehicle Fault Code: P2371-18 1. Very low IMV current trim 2. Internal Leakage in HP Pump 3. Leakage in HP lines 4. Injector is faulty 5. Very low fuel in tank 6. Fuel tank strainer is choked 7. Priming pump failure 8. ECU connector loose connection/ Pin backout 9. ECU terminal pin damage or bend 1. CE Lamp ON 2. Reduced vehicle performance 3. Disabled drive mode option Lamp status: Check Engine Lamp on Malfunction Indicator Lamp off Checkpoints: 1. Check Battery Voltage at Ignition off (Nominal Range 11.5V ~ 12.8V) Trouble Shooting Steps: Sr. No. Steps Specifications Step 1 Check whether the IMV connector is connected properly. Remove and connect again properly - Step 2 Check for continuity between IMV sensor connector pins 1, 2 and ECU pins (B3 or B5 or B6)T87, A25, respectively. - Step 3 Check the ECU terminal pin for any damage or bend. Check the ECU connector for any pin backout - Step 4 Check the Fuel Level in Fuel Tank. If it is very low, refill and check -
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