3403 / 4910
Vehicle Platform: OSPREY / AMP
ECU Name: PEPS
DTC Troubleshooting Data
Version: 1.2
Date: 29 Mar 2017
Author:
Rajasekhara Reddy
Page: 121 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.
B1643–05:- Pairing Failed with UID – System programming Failures
Overview:-
ISO Code (DTC Code)
B1643-05
Customer Symptom
NA
Fault Effects (On Vehicle)
1. Passive entry will not work with all paired UIDs And
2. Passive start will not work with all paired UID And
3. On pressing start-stop switch, “NoKeyDetectionTelltale” is
present in instrument cluster even if UID (whose pairing is not
successful) is present inside the vehicle.
Lamp Status (If Any)
NA
Fault Detection Condition
This DTC will get logged during PEPS-UID pairing. If pairing is
started with UID and gets failed for respective, then PEPS logs
this DTC.
Normal Operating Condition
1. Passive start is working with all paired UID And
2. Passive entry is working with all paired UID And
3. On pressing start-stop switch, No “NoKeyDetectionTelltale”
is present in instrument cluster with UID is present inside the
vehicle.
Probable Trouble Area
1. Process issue And
2. UID (Smart Key) And
3. Central Console LF Antenna. (Immo antenna) And
4. PEPS ECU.
Healing Condition
Ignition Transition:- IGN OFF
IGN ON.
On IGN ON during UID authentication no DTC is logged by
PEPS.
Table 27:-
B1643- 05 overview details
Component Details:-
1. UID (Smart Key)
2. PEPS ECU
3. Central Console Antenna (Immo Antenna)
Preliminary Checks:-
1. Check battery voltage. It should be 9V and above.
2. Check respective ECU pins for oxidation, bending, & damage.
3. UID shall be inside and up to 7cm around the Front / Center console antenna