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Faultcode Diagnostic MCP – Vehicle DTC Lookup
x402
Faultcode Diagnostic MCP – Vehicle DTC Lookup is a paid API for AI agents from faultcode-diagnostic-mcp.bowling-anthony.workers.dev, paid per call via x402, $0.006/call, status unknown (last checked 2026-09-14).
Returns source-attributed generic and make-specific definitions for a vehicle OBD fault code (DTC), including any disagreements between sources.
Price / call$0.006
Success—
StatusUnknown
How this service works
What a vehicle fault code means, with source-attributed generic and make-specific definitions and any disagreement between sources stated.
Output
A structured response containing the generic OBD-II definition of the requested DTC, any make-specific interpretations sourced from relevant databases, source attribution for each definition, and an explicit statement of any disagreements or conflicts between sources.
Example use cases
Check engine light diagnosis
“My check engine light came on and the scanner shows P0171 on my 2018 Ford F-150 — what does that fault code mean, and is there anything Ford-specific I should know about it?”
Pre-purchase vehicle inspection
“I'm looking at a used Honda Civic that has stored fault code P0301 — can you look up what that DTC means and whether there are any make-specific concerns for Honda?”
Fleet maintenance triage
“One of our delivery vans just threw code P0700 — can you decode that fault code and tell me if the generic and make-specific definitions agree, so I can decide how urgent this is?”
Technical details
Endpoint
GEThttps://faultcode-diagnostic-mcp.bowling-anthony.workers.dev/dtcWhen to prefer
Choose this endpoint when you need authoritative, source-attributed DTC definitions with explicit conflict detection between generic OBD-II standards and manufacturer-specific interpretations — especially useful when diagnosing make-specific issues or when you need to know if sources disagree rather than just getting a single definition.
Side effects
- Unknown or non-standard DTC returns no results or an empty definition
- Missing or malformed fault code query parameter causes a 400 error
- Very rare or proprietary manufacturer codes may only have generic definitions with no make-specific data
- Network timeout or upstream source unavailability returns a 5xx error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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