Vehicle Platform: OSPREY / AMP
ECU Name: PEPS
DTC Troubleshooting Data
Version: 1.2
Date: 29 Mar 2017
Author:
Rajasekhara Reddy
Page: 286 of 369
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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.
B131F–12 :- Drive signal for Right Antenna - circuit Short to battery
Overview:-
ISO Code (DTC Code)
B131F-12
Customer Symptom
Passive Entry (through driver door) is not working.
Fault Effects (On Vehicle)
Passive Entry does not work.
Lamp Status (If Any)
-.
Fault Detection Condition
When short to battery on right antenna is detected, PEPS logs
this DTC.
Normal Operating Condition
When driver door switch is pressed with valid UID, driver door
opens.
Probable Trouble Area
1. Cable connection damaged.
2. Antenna Fault
Healing Condition
At IGN ON, when LF diagnostics routine is run, DTC shall not
be logged.
Table 61:- B131F - 12 overview details
Component Details:-
1. PEPS ECU
Preliminary Checks:-
1. Check respective ECU pins for oxidation, bending, & damage.




