Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 221 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 P0088-67: Fuel Rail/System Pressure - Too High Bank 1 Overview: Code Cause Effect on Vehicle Fault Code: P0088-67 1. Rail Pressure crossed operational limit 2. ECU connector pin loose connection/Pin Backout 3. PLV on common rail is stuck closed 4. Improper rail pressure discharge through RVD (injector) 5. Intermittent OC or SC in IMV wiring, IMV stuck open or IMV stickiness 1. CE Lamp ON 2. Engine will go into Limp home mode. 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) 2. Check for any other electrical faults related to rail pressure sensor, IMV, injector or any injector functional fault is present. If present, address it first.
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