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NEXON AMT
DTC Troubleshooting Guide
Version: 2.0
Date: 24-01-2018
Author: Suraj/Anupama
Page: 433 of 434
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.
- High frequency noise.
141 P1C15-
02
Invalid Data Received From IPC-
Message Rolling Counter Error
-IPC (197 frame) rolling counter does not
change in two consecutive frames.
-Electromagnetic
interference
- High frequency noise.
142 P1986-
07
Variant code procedure not
completed
Variant code procedure not executed
Variant code procedure
not executed
143 U0001/0
2
Engine LimpHome signal
Fault at accelerator pedal assembly
Fault at accelerator
pedal assembly
144 P0820-
03
Gear Lever Sensor Circuit–
Signal in Medium range
- Short circuit On Harness between Gear
Lever Sensor signal wires.
-Short Circuit On Harness lever between
Gear Lever Sensor signal wires.
-Short circuit On Harness TCU between Gear
Lever Sensor signal wires.
-Wiring Harness
connections
- Sensor connection
-TCU connection
145 P0821-
03
Gear Lever Sensor Circuit–
Signal in Medium range
- Short circuit On Harness between Gear
Lever Sensor signal wires.
-Short Circuit On Harness lever between
Gear Lever Sensor signal wires.
-Short circuit On Harness TCU between Gear
Lever Sensor signal wires.
-Wiring Harness
connections
- Sensor connection
-TCU connection
146 P0822-
03
Gear Lever Sensor Circuit–
Signal in Medium range
- Short circuit On Harness between Gear
Lever Sensor signal wires.
-Short Circuit On Harness lever between
Gear Lever Sensor signal wires.
-Short circuit On Harness TCU between Gear
Lever Sensor signal wires.
-Wiring Harness
connections
- Sensor connection
-TCU connection
147 P0823-
03
Gear Lever Sensor Circuit–
Signal in Medium range
- Short Circuit On Harness between Gear
Lever Sensor signal wires.
-Short Circuit On Harness lever between
Gear Lever Sensor signal wires.
-Short circuit On Harness TCU between Gear
Lever Sensor signal wires.
-Wiring Harness
connections
- Sensor connection
-TCU connection
148 U0447-
00
Drive mode signal Invalid from
EMS
- Loose/ Damaged Drive mode switch
Connections.
- Check for damage or back out of pins at
EMS connector and TCU connector.
- Check correct fitment of ground cable
connections on vehicle chassis
Wiring Harness
Connection
-EMS Connection
-TCU connection