Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 755 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 P0948-00 - Hydraulic Pump Relay/Control Circuit High Overview: Code Cause Effect on Vehicle Fault Code: P0948-00 1. Oil pump connector short circuit to battery 2. Sensor loose connection 3. Wiring damage 4. CE Lamp ON Lamp status: Check Engine Lamp off Malfunction Indicator Lamp off Checkpoint: Check battery voltage (nominal 11.5V ~ 14V) Trouble Shooting Steps: Sr. No. Steps Specifications Step 1 Check whether there is any damage in sensor connector - Step 2 Check whether there is any damage in ECU connector - Step 3 Check for continuity between oil pump sensor signal pins and ECU pins Step 4 Check the sensor wiring - Step 5 If the problem persists, replace the sensor - Step 6 If problem persists, replace the ECU Verification condition: Clear the fault and check if it is reappearing Component Details: Circuit Schematic Diagram: NA
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