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MCPFax Vehicle Diagnostics DTC Lookup
x402
MCPFax Vehicle Diagnostics DTC Lookup is a paid API for AI agents from mcpfax-diag.bowling-anthony.workers.dev, paid per call via x402, $0.006/call, status unknown (last checked 2026-09-14).
Looks up the meaning of a vehicle Diagnostic Trouble Code (DTC), returning source-attributed generic and make-specific definitions with repair guidance
Price / call$0.006
Success—
StatusUnknown
How this service works
MCPFax vehicle-diagnostics dtc lookup
Output
Returns the meaning of the requested DTC fault code, including source-attributed generic OBD-II definitions, make-specific definitions where available, and associated repair or diagnostic guidance.
Example use cases
Check engine light code explained
“My check engine light just came on and my scanner shows code P0420 on my 2021 Toyota Camry — what does that fault code mean and what should I do about it?”
DIY mechanic fault diagnosis
“I'm working on a 2016 Chevrolet Silverado and I'm seeing DTC P0300 — can you pull up the generic OBD definition and any Chevy-specific explanation for that code?”
Pre-purchase inspection code review
“A used 2018 BMW 3 Series I'm looking at has a stored fault code B11E8 — can you look that up and tell me what it means, including any BMW-specific details?”
Technical details
Endpoint
POSThttps://mcpfax-diag.bowling-anthony.workers.dev/mcpWhen to prefer
Choose this endpoint when you need to decode a specific vehicle Diagnostic Trouble Code (DTC) and want both generic OBD-II definitions and make-specific interpretations with source attribution. It is part of a broader MCPFax vehicle diagnostics suite, so prefer it alongside sibling endpoints for VIN decoding, TSB lookup, and recall lookup for comprehensive vehicle research.
Side effects
- Unknown or non-standard DTC code returns no results or an error
- Missing required parameters (fault code or vehicle details) results in a validation error
- Obscure proprietary manufacturer codes may lack make-specific definitions
- Network or worker timeout on the Cloudflare Workers backend
- Payment failure via x402 protocol blocks the request
Tags
x402
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