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2005 VOLVO S80
2.9L I6•FWD•AUTOMATIC•gas•B6294S
6 active safety recalls on this vehicle — view recalls
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Repairs0Labor501Torque3156Fluid7DTC1718Battery1Maintenance0Recalls6
P0675low severityPowertrain

Cylinder 5 Glow Plug Circuit

on 2005 Volvo S80 2.9L I6 · FWD

What this code means

The PCM detected a fault in the glow plug control circuit for cylinder 5. This may result in poor cold starts and increased emissions on diesel engines.

Symptoms

  • Difficult cold starting
  • White exhaust smoke when cold
  • Glow plug indicator on

Common causes

  • Faulty glow plug cylinder 5
  • Damaged glow plug harness
  • Failed glow plug control module
  • Poor ground connection

Diagnostic steps

  1. Retrieve all stored trouble codes
  2. Test cylinder 5 glow plug resistance
  3. Inspect wiring for damage or corrosion
  4. Verify control module command and voltage
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