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Toyota
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2005
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Matrix 4WD L4-1.8L (1ZZ-FE)
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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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U0123
U0123
DTC U0123 Malfunction in CAN Communication
NOTE:
Manufacturer did not publish test procedure for this code.