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TIAGO/TIGOR AMT Gasoline
DTC Troubleshooting Guide
Version: 4.0
Date: 18-04-2017
Author: Sathi/Anupama
Page: 423 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.
-TCU connection
76
P1884-
04
Reverse Lamp relay –open
circuit
- open circuit on harness
- open circuit on relay
- open circuit on TCU
-Wiring Harness
connections
- Reverse lamp relay
- TCU connection
77
P1884-
02
Reverse Lamp relay –short to
supply
-Short circuit to Supply on harness
-Short circuit to Supply on relay
-Short circuit to Supply on TCU
-Wiring Harness
connections
- Reverse lamp relay
- TCU connection
78
P1884-
01
Reverse Lamp relay –short to
ground
-Short circuit to GND on harness
-Short circuit to GND on relay
-Short circuit to GND on TCU
-Wiring Harness
connections
- Reverse lamp relay
- TCU connection
79
P2904-
01
Clutch System – Not opening
before shift
-Clutch damage
- actuator damage
- valve damage
-Clutch Electro valve
-TCU
- Clutch
80
P2904-
02
Clutch System – Closing during
Engage
-Clutch damage
- actuator damage
- valve damage
-Clutch Electro valve
-TCU
- Clutch
81
P2904-
03
Clutch System – Overheat
-Clutch slipping for a too long time
-Wiring Harness
Connections
- Electro valve
- TCU
- Clutch
82
P2908-
01
Clutch System – Control error
-Sudden clutch closure due to clutch
command failure (hydraulic or mechanical
damage)
-Clutch Electro valve
-TCU
- Clutch
83
P1905-
02
Clutch System – Clutch Locked
-clutch locked opened due to hydraulic or
mechanical damage
-Clutch Electro valve
-TCU
- Clutch
84
P2905-
01
Gearbox System – Disengage
failed
-Mechanical or hydraulic problem
-Gear Electro valve
- TCU
- Gearbox
85
P2909-
01
Gearbox System – Shift failed
-Mechanical or hydraulic problem
-Gear Electro valve
- TCU
- Gearbox
86
P2905-
02
Gearbox System –engage failed -Mechanical or hydraulic problem
-Gear Electro valve
- TCU
- Gearbox
87
P2905-
03
Gearbox System –unintended
disengage
-Mechanical or hydraulic problem
-Gear Electro valve
- TCU
- Gearbox
88
P2909-
02
Gearbox System –Shift Locked
-Mechanical or hydraulic problem
-Gear Electro valve
- TCU
- Gearbox
89
P190B-
01
Gearbox System –unintended
engage
-Mechanical or hydraulic problem
-Gear Electro valve
- TCU
- Gearbox
90
P190C-
07
Gearbox System –Control Error -Mechanical or hydraulic problem
-Gear Electro valve
- TCU