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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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Repairs0Labor496Torque1452Fluid10DTC1650Battery1Maintenance0Recalls6
P1648high severityPowertrain

Serial Communication Link (F-CAN) Malfunction

on 1998 Honda Passport 3.2L V6 · AWD

What this code means

The powertrain control module has lost communication over the F-CAN serial data bus. This is a Honda manufacturer-specific code related to network faults.

Symptoms

  • Multiple warning lights
  • Modules not communicating
  • No-start or drivability issues

Common causes

  • Damaged CAN bus wiring
  • Faulty control module on bus
  • Corroded connector or ground
  • PCM internal fault

Diagnostic steps

  1. Scan all modules for communication codes
  2. Inspect F-CAN wiring and connectors
  3. Check bus resistance and voltage
  4. Isolate faulty module on the network
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Other Powertrain codes on this vehicle

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