Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 459 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 P016F-00: Closed Loop Fuel Pressure Control at Limit - Pressure Too Low Overview: Code Cause Effect on Vehicle Fault Code: P016F-00 1. An abnormal positive rail pressure error has been detected 2. Leakage in the High-Pressure lines 3. Injector Nozzle Plunger Stuck in Open Position 4. Injector Internal Wear High 5. Choked Fuel Filter 6. Defective prime pump 7. Restrictions in Low Pressure Circuit – Tank to HP pump, HP pump to Tank & Back leak 8. Improper Rail pressure sensor electrical connections 9. ECU terminal pin damage or bend 10. ECU connector pin backout 1. CE Lamp ON 2. Disables Speed pilot control routine service (SPCS) 3. Reduced vehicle performance 4. Disables engine drive mode i.e. Sport mode, Eco mode 5. Disables Cruise control function 6. Disabled drive mode option Lamp status: Check Engine Lamp on Malfunction Indicator Lamp off Check points: Check for rail pressure, IMV and Injector related electrical faults. If present, address it first. Trouble Shooting Steps: Sr. No. Steps Specifications Step 1 Check whether the rail pressure sensor connector is connected properly - Step 2 Check whether the ECU connector is connected properly - Step 3 Check for continuity between sensor connector pins 1, 2, 3 and ECU connector pins 40, 19, 46 respectively -
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