Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1.0 Date: 30/11/2019 Author: ERC Page 268 of 610 Copyright by TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without our consent P0500-31: Vehicle Speed Sensor "A" - No Signal Overview: Code Cause Effect on Vehicle Fault Code: P0500- 31 Vehicle speed sensor, Wiring harness & EMS ECU 1. CE lamp ON 2. Power loss 3. no indication of vehicle speed, current gear & gear shift indication on IC (instrument cluster) Component Details: Wheel speed sensor (in ABS version) & Vehicle Speed Sensor (in Non ABS version) determines vehicle speed & communicates to EMS ECU & BCM via ESP/ABS ECU & CAN. In ESP/ABS version it is mounted on the wheel hub of each of the four wheels independently while in case of Non ABS version it is mounted on gear box housing at output shaft Trouble Shooting: Step Checks Specification 1 Check if the Ignition fuse is blown off? Replace fuse 2 Check if the wiring harness connector is properly connected to the vehicle speed sensor & no damage or pin back out? Physical check 3 Check if there is any oxidation, rust, mud, dirt, foreign particle accumulation on the connector? Physical check 4 Check if the wiring harness connector is properly connected to the EMS ECU, & no damage or pin back out? Physical check 7 Check if the problem still persists? Replace vehicle speed sensor Circuit Schematic Diagram:
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