DTC U3003-14: Telematics Communication Unit Power Supply Circuit Malfunction (Telematics Communication Unit): Outline

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DTC U3003:14 (TELEMATICS COMMUNICATION UNIT) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Telematics communication unit power supply circuit malfunction
Detection condition	The telematics communication unit detects an open circuit or a short to ground in the power supply circuit.
Fail-safe	Not applicable
Possible cause	Telematics communication unit connector or terminal malfunction Short to ground or open circuit in telematics communication unit power supply circuit Telematics communication unit malfunction
Courtesy of MAZDA MOTORS CORP.