garajizOBD-II code · manufacturer-specific
P1777
Performance / Normal / Winter Mode Input Malfunction
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1777 mean?
P1777 is defined as “Performance / Normal / Winter Mode Input Malfunction”.
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.
- Jaguar: Ignition Retard Request Circuit
- Citroen, Diğer, Peugeot: Ignition Retard Request Circuit Fault
- Mazda: Torque Down Response Signal Circuit
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This page is general information; an exact diagnosis needs measurements and a technician’s check.