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OBD-II Diagnostic Trouble Code
U1601

ECU Application Software Code 1 Missing Or Corrupted

U
Network
modules / CAN bus
1
Mfr
manufacturer code
6
Network subsystem
01
ECU Application Software Code 1 Missing Or Corrupted
Severity · general guide
Moderate
Module communication fault
Code type
Jeep
System
Network
Model
Grand Cherokee
Years
2011