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VF9 Eco
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Trailer Module Diagnosis
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DTC U3000-04: Trailer Module System Failure - System Internal Failure
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VinFast DTC Guided Repair Instruction
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Failure Description
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Failure Description
Vehicle Program
VF8/VF9
ECU
TRM
DTC Number
U3000-04
DTC Name
Trailer Module system failure - System Internal Failure
Failure Type Byte
04 - System Internal Failure
Definition and Potential Cause
This error occurs due to open/short circuit of TRM pin 1 (Ground) or fault in TRM.