Vehicle Platform: OSPREY / AMP
ECU Name: PEPS
DTC Troubleshooting Data
Version: 1.2
Date: 29 Mar 2017
Author:
Rajasekhara Reddy
Page: 219 of 369
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.
B1017 – 12:- Control Signal to Accessory Relay Output – Short to Battery
Overview:-
ISO Code (DTC Code)
B1017 – 12
Customer Symptom
1. Amber color Accessory LED will remain ON in OFF
power mode.
2. Accessory load will remain continuously ON.
Fault Effects (On Vehicle)
1. Amber color Accessory LED will remain ON in OFF
power mode.
2. Accessory load will remain continuously ON.
Lamp Status (If Any)
N.A.
Fault Detection Condition
1. Permanent short circuit to battery of control signal to
Accessory relay output.
2. Wire cut & shorting to battery of Connector-2 / Pin-16
signal.
3. Bending of pin-16 of connector-2 and shorting to
adjacent pin.
Normal Operating Condition
1. Vehicle battery voltage shall be normal.
2. No fault on control signal to Accessory relay output
should be present.
3. Amber color LED is SSB should be working normally.
Probable Trouble Area
1. Permanent short circuit to battery of control signal to
Accessory relay output.
2. Wire cut & shorting to battery of Connector-2 / Pin-16
signal with vehicle body.
3. Bending of pin-16 of connector-2 and shorting to
ground pin.
4. Amber color LED is SSB is faulty.
Healing Condition
1. After fixing short to battery fault on control signal to
Accessory relay output, In OFF power mode amber
color LED should turn OFF and in Accessory power
mode amber color LED should turn ON.
Table 48:- B1017 - 12 overview details
Component Details:-
1. PEPS ECU
2. Accessory relay
3. Start/stop button
Preliminary Checks:-
1. Check vehicle battery voltage, it should be normal.
2. Check ECU pins for oxidation, bending or damage.




