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TIAGO/TIGOR AMT Gasoline
DTC Troubleshooting Guide
Version: 4.0
Date: 18-04-2017
Author: Sathi/Anupama
Page: 416 of 427
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.
Diagnostic Trouble Codes List
Sr.
No
DTC
Description as per
ISO/SAE
Fault Cause
Probable Trouble
Area
1
P0914-
02
Gear Position Sensor Circuit–
Fixed Signal High Level
- Short circuit to battery
- Open circuit on Sensor connection Or TCU
- GND loss
- sensor supply loss
- Loose mechanical
fitment of TCU
- Loose mechanical
fitment of Sensor
- TCU internal damage
2
P0914-
01
Gear Position Sensor Circuit–
Fixed Signal Low Level
-Short circuit to ground on sensor
-TCU Connection
- Loose mechanical
fitment of TCU
- Loose mechanical
fitment of sensor
- TCU internal damage
3
P0914-
03
Gear Position Sensor Circuit–
Period Error
-Sensor Problem
- Sensor damage
- TCU internal damage
4
P0914-
05
Gear Position Sensor Circuit–
PWM Duty high
-Sensor Hardware - error
- Sensor damage
- TCU internal damage
5
P0914-
04
Gear Position Sensor Circuit–
PWM Duty low
- Sensor problem (magnet lost)
- Sensor damage
- TCU internal damage
6
P1853-
02
Gear/shift Position Sensor–
Wrong supply voltage Vbatt
Error
-TCU damage
-Short circuit to V supply
on-Sensor supply connection
- Sensor damage
- TCU internal damage
7
P1853-
01
Gear/shift Position Sensor–
Wrong supply voltage GND
Error
-TCU damage
-Short circuit to V supply on-Sensor supply
connection
- Sensor damage
- TCU internal damage
8
P0904-
02
Shift Position Sensor Circuit–
Fixed Signal High Level
-Short to Supply or open circuit on
Sensor(signal)
-Short to Supply or open circuit on TCU
-Sensor GND loss
-Sensor supply loss
- Loose mechanical
fitment of TCU
-Loose mechanical
fitment of Sensor
-Loose or damage or
short circuit internally
-TCU internal damage
9
P0904-
01:
Shift Position Sensor Circuit–
Fixed Signal Low Level
-Short circuit to GND on Sensor
-Short circuit to GND on TCU
- Loose mechanical
fitment of TCU
- Loose mechanical
fitment of Sensor
- Loose or damage or
short circuit internally
-TCU internal damage
10
P0904-
03
Shift Position Sensor Circuit–
Period Error
-Sensor Problem
- Sensor damage
- TCU internal damage
11
P0904-
05
Shift Position Sensor Circuit–
PWM Duty high
-Sensor Hardware error
- Sensor damage
- TCU internal damage
12
P0904-
04
Shift Position Sensor Circuit–
PWM Duty low
-Sensor Algorithm Error (sensor problem,
magnet lost)
- Sensor damage
- TCU internal damage