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Author: Balaji / Amar /
Nitin / Umapathi /
Deepak
Page: 75 of 138
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TATA MOTORS Ltd.
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U3000 - 08:- Control Module - Bus Signal / Message Failures
This DTC is masked in IPC.
Trouble Shooting:-
Voltage
fluctuates
between 0V and
14V?
A
Yes
Disconnect IPC ECU power supply
connector. Check voltage b/w pin 32 & pin19.
(Refer Connector View & Information)
No
Is DTC
Present?
Yes
No
Stop
1. Connect the TML Diagnostic Tool.
2. Turn the Ignition ON
3. Check the status of DTC’s (Memorized/Current)
4. Record the DTC & Clear
5. Turn Ignition OFF & ON
6. Verify If
U3006 – 17
is present
Replace wiring harness
(Vehicle side)