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Mazda Truck
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2010
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CX-7 AWD L4-2.3L Turbo
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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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B Code Charts
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B257C
B257C
DTC B257C [BCM]
Detection Condition/Possible Cause:
Diagnostic procedure
Step 1-Step 5:
Step 6-Step 11:
Step 12-Step 17:
Step 18-Step 21:
