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TML Park Distance Controller (PDC) ECU DTC
Troubleshooting guide for Nexon
Version: 0.2
Date: 08Jun17
Author:
Ravi Teja
Page: 5 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.
B1926 -11 : PDC Activation Switch Input - Short to Ground
Overview:
Write up for the Related system:-
PDC Activation Switch – This module is used to activate Park Assist function in vehicle.
Pre-Check Points:
NO
Trouble Shooting:-
Below given flowcharts guides to troubleshoot the fault:
ISO Code
9926-11
Customer Symptom
1. User cannot activate/ deactivate Park Assist
using Activation switch.
Fault Effects (On Vehicle)
User cannot activate/ deactivate Park Assist using
activation switch.
Lamp Status (If Any)
Not Applicable
Fault Detection Condition
1. User cannot activate/deactivate using PDC
Activation switch.
2. This DTC gets logged when connection
between PDC ECU and PDC Fascia switch is
short to GND.
3. PDC switch is in stuck condition.
Normal Operating Condition
When user presses PDC Activation switch, Park assist
gets activated with LED ON indication and user can
see park assist screen in Head Unit.
Probable Trouble Area
x
Wiring harness between PDC ECU and PDC
Fascia Activation Switch.
x
PDC Activation Switch Stuck in pressed
condition in fascia switch.
x
Fascia switch becomes faulty.
Healing Condition