OBD-II code · manufacturer-specific
P165B
Electronic throttle system (ETS) relay malfunction
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- High (4/5)
- Can I keep driving?
- Stop driving
What does P165B mean?
P165B is defined as “Electronic throttle system (ETS) relay malfunction”.
Stop when it is safe and don’t drive on; have the car towed to a shop.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Honda: Electronic throttle system (ETS) relay malfunction
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This page is general information; an exact diagnosis needs measurements and a technician’s check.