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Vehicle Platform: OSPREY / AMP
ECU Name: ESCL
DTC Troubleshooting Data
Version: 1.0
Date: 27 Dec 2016
Author: Hitesh Kaneria
Page: 28 of 59
Copyright ©
TATA MOTORS Ltd.
Thisdocument must not be used in any way, such as copying and redistributing to third parties, without the consent of author.
Functional DTC
B1022–96: Steering lock unable to lock - component internal failure
Overview:
ISO Code (DTC Code)
B1022-96
Customer Symptom
ESCL unable to lock the steering wheel
Fault Effects (On Vehicle)
ESCL unable to lock the steering wheel
Lamp Status (If Any)
NA
Fault Detection Condition
ESCL log this DTC when
ESCL’s hardware Motor timeout
during ESCL unlock
to lock process.
Normal Operating Condition
ESCL internal hardware motor shall not be timeout during ESCL locking.
Probable Trouble Area
ESCL internal hardware failure
Healing Condition
ESCL ECU replacement
Table 8: B1022-96 overview details
Component Details:
ESCL ECU is located on steering column behind steering wheel. ESCL ECU locks and unlocks the steering wheel based
on CAN messages received from PEPS, EMS, ABS and BCM.
Preliminary Checks:
1. Check Battery Voltage (9V-16V).
2. Check EMS, PEPS, BCM
and ABS ECU’s signals are available on CAN bus by confirming that ABS, EMS
, BCM
and PEPS related DTCs are not available in ESCL.
3. Check vehicle is getting lock /unlock by using UID.
Troubleshooting:
Start
Stop
1. Keep vehicle in static condition.
2. Turn ignition ON -> OFF
Replace ESCL ECU
Note
: Refer ESCL ECU replacement procedure doc to replace ESCL ECU.