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Automotive Diagnostics
Every code. Every sensor. Every value.
OBD-II diagnostic codes for cars, trucks, and SUVs. Manufacturer-specific codes, Golden Values with exact multimeter readings, and verified repair paths from real technicians.
11,400+
OBD-II Codes
4,200+
Golden Values
500+
Makes & Models
99.4%
Verification Rate
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Common Automotive Codes
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Exact multimeter readings. Verified voltage ranges. The data your scanner doesn't give you — but your mechanic charges $150/hour to know.
Start Pro — $29/moDiagnostic information for agricultural, off-road, and competition use. Not intended for emissions-controlled on-road vehicles where prohibited.