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PSCM
DTC Troubleshooting Guide for Nexon
Version: 1.1
Date: 21/06/2017
Author: E&E Chassis - ERC
Page: 25 of 156
Copyright ©
TATA MOTORS Ltd.
This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author.
Trouble Shooting:
Reset the ECU (Remove the PSCM power
supply connector from ECU (Battery connector)
wiring harness side. Reconnect after 5 minutes)
Replace the
ECU
1. Clear the DTC from the memory
2. Turn the ignition switch off and again
turn it on without cranking the vehicle.
3. Check for DTCs
Is DTC
Present?
Yes
Stop
No
Is DTC
Present?
Yes
No
Stop
1. Connect the TML Diagnostic Tool.
2. Turn the Ignition ON
3. Check the status of DTC’s (Memorized/Current)
4. Record the DTC & Clear
5. Turn Ignition OFF & ON.
6. Read ECU parameters 7000(Control Module Internal
Temperature) using diagnostic tool
Range:40 to 120 Degree Celsius
7. Verify If
U1006 – 4B
is present