Vehicle Platform: OSPREY / AMP
ECU Name: PEPS
DTC Troubleshooting Data
Version: 1.2
Date: 29 Mar 2017
Author:
Rajasekhara Reddy
Page: 276 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.
B1321–11 :- Drive signal for Front Centre Console Antenna - circuit Short to Ground
Overview:-
ISO Code (DTC Code)
B1321-11
Customer Symptom
Passive Start and passive Entry is not working.
Fault Effects (On Vehicle)
Passive Start does not work.
Lamp Status (If Any)
-.
Fault Detection Condition
When short to ground on front antenna is detected, PEPS logs
this DTC.
Normal Operating Condition
When start request is given with valid UID, vehicle start.
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 59:- B1321 - 11 overview details
Component Details:-
1. PEPS ECU
Preliminary Checks:-
1. Check respective ECU pins for oxidation, bending, & damage.




