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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: 18 of 59
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TATA MOTORS Ltd.
Thisdocument must not be used in any way, such as copying and redistributing to third parties, without the consent of author.
B101D-42: Main Processor RAM Error - general memory failure
Overview:
ISO Code
B101D-42
Customer Symptom
ESCL will probably not function or will function intermittently or partially
Fault Effects (On Vehicle)
NA
Lamp Status (If Any)
None
Fault Detection Condition
Fault logged in the event of RAM error
Normal Operating Condition
Normal operating range:
ECU will be awake from 6V to 16 V.
Full assistance is b/w 11.5 to 16 volts.
Reduced assistance is b/w 9 to 11.5 V
Probable Trouble Area
ESCL internal damage
Healing Condition
NA
Table 3: B101D-42 overview details
Component Details:
NA
Preliminary Checks:
1. Voltage at the battery terminals should be greater than 11.5V.
2. ESCL power supply connector shouldhave greater than 11.5V for full assistance.
3. Check battery cableand ESCL connector terminals for damage.
4. Check ESCL ECU for pin bend/damage.
5. Alternator output voltage should be between 13.5 V to 14.5 V in engine running condition.