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Mazda
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2007
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MX-5 Miata L4-2.0L
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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U Code Charts
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U1900
U1900
U1900 - Communication error to other module
Output module:
ABS HUCM
DSC HUCM
Steering angle sensor
Testing and Inspection