LEMON Manuals
: Even more car manuals for everyone
Home
>>
Mazda
>>
2009
>>
3 L4-2.0L
>>
Repair and Diagnosis
>>
A L L Diagnostic Trouble Codes ( DTC )
>>
Testing and Inspection
>>
U Code Charts
>>
U0100
U0100
U0100 - Communication error to PCM
Initial Inspection and Diagnostic Overview