garajizOBD-II code · generic
P0685
ECM/PCM Power Relay Control Circuit /Open
- System
- P0 — Powertrain (generic)
- Severity
- High (4/5)
- Can I keep driving?
- Drive with caution
What does P0685 mean?
P0685 is defined as “ECM/PCM Power Relay Control Circuit /Open”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Hyundai, Kia: Engine Control Module Power Relay Control Circuit Open
Related codes
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This page is general information; an exact diagnosis needs measurements and a technician’s check.