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TML Park Distance Controller (PDC) ECU DTC
Troubleshooting guide for Nexon
Version: 0.2
Date: 08Jun17
Author:
Ravi Teja
Page: 18 of 123
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.
B1928–12 :PACM Active LED Indicator – Short to Battery
Overview:
ISO Code
9928-12
Customer Symptom
1. User cannot judge if Park assist is in ON or
OFF.
3. PDC active LED remains in ON condition even
if park assist is inactive. User cannot judge if
Park assist is in ON or OFF.
2. PDC active LED remains in OFF condition
even if park assist is active. However PDC
functions normally.
Fault Effects (On Vehicle)
No
Lamp Status (If Any)
No
Fault Detection Condition
1. User cannot judge if Park assist is in ON or
OFF.
2. PDC active LED remains in OFF condition
even if park assist is active. However PDC
functions normally.
3. This DTC gets logged when connection
between PDC ECU and PDC Switch Active
LED is short to battery.
Normal Operating Condition
3. When user presses PDC Activation switch,
Park assist gets activated with Active LED ON
and user can see park assist screen in Head
Unit.
4. When user presses PDC switch during park
assist is active, LED goes in OFF state.
Probable Trouble Area
x
Wiring harness between PDC ECU and PDC
Fascia Active switch.
x
PDC Connector