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OSPREY- Application
DTC Troubleshooting Data
Version: 4.0
Date: 10-02-2017
Prepared by: Mithipati Prasad
Checked by: G S Raju / Senthilnathan S
Page: 620 of 654
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TATA MOTORS Ltd.
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U0151: Loss of communication with Restrain Control Module- Bus
Signal/ Message Failure
Overview:
ISO Code
U0151
Customer Symptom
Fuel cut off will not happened during crash
Fault Effects (On Vehicle)
Fuel cut off will not happened during crash
Lamp Status (If Any)
CE lamp is ON
Fault Detection Condition
1. RCM connector is not connected properly or
disconnected from its location.
2. CAN wire from RCM connector side is
disconnected.
3. RCM is not powered up.
4. CAN_H, CAN_L or/ and both lines of RCM are
opened.
Normal Operating Condition
ECM ECU communicates properly with RCM ECU
Probable Trouble Area
1. Disconnection of the RCM ECU connector
2. CAN_H and CAN_L lines at RCM connector end
Healing Condition
1. To fix the RCM connector correctly
2. Fix the wiring harness issues from RCM side.
3. CAN_H, CAN_L or/ and both lines of RCM are
connected properly to the RCM connector.