Error code
OBD2 P0675
OBD2P0675
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Cylinder 5 Glow Plug Circuit.
Severity
moderateCan drive, but starting issues may occur especially when cold
Summary
P0675 indicates an issue with the glow plug circuit for cylinder 5 in diesel engines. This code is set when there's a malfunction or open circuit detected by the PCM.
Symptoms
- Engine difficulty starting, especially in cold weather
- Check engine light illuminated
Common Causes
- Defective glow plug in cylinder 5
- Damaged wiring or connectors in the glow plug control circuit
- Faulty relay or timer on older systems
- Failed glow plug control module
- Corroded or disconnected glow plug lead
Diagnosis
- Inspect the wiring and connectors for cylinder 5's glow plug circuit
- Check for any visible damage to the glow plug itself
- Test the relay or timer if applicable
Fixes
- Replace faulty glow plug in cylinder 5
FAQ
What causes P0675?
Common causes include a defective glow plug, damaged wiring/connectors, and issues with the relay or control module.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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