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1998 HONDA PASSPORT
3.2L V6•AWD•AUTOMATIC•gas
6 active safety recalls on this vehicle — view recalls
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Repairs0Labor495Torque1974Fluid10DTC1650Battery1Maintenance0Recalls6
P1676moderate severityPowertrain

FPTDR Signal Line Failure

on 1998 Honda Passport 3.2L V6 · AWD

What this code means

A fault has been detected in the FPTDR signal line between control modules. This is a Honda manufacturer-specific code with no direct generic OBD-II equivalent.

Symptoms

  • Check engine light on
  • Drivability problems
  • Communication fault codes

Common causes

  • Damaged FPTDR signal wiring
  • Loose or corroded connector
  • Faulty control module
  • Poor ground connection

Diagnostic steps

  1. Retrieve stored fault codes
  2. Inspect FPTDR signal wiring
  3. Test continuity and voltage on signal line
  4. Check related control module
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