garajizOBD-II code · manufacturer-specific
C1786
Active Suspension Communication Malfunction
- System
- C — Chassis (ABS / brakes / suspension)
- Severity
- High (4/5)
- Can I keep driving?
- Drive with caution
What does C1786 mean?
C1786 is defined as “Active Suspension Communication 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.
- Toyota: Active Suspension Communication Malfunction
Related codes
- C1785Suspension ECU Malfunction
- C1787Active Suspension Communication Malfunction
- C1788Active Suspension EMS Communication Malfunction
- C1790Air Suspension LR Air Spring/Shock Solenoid Output Circuit Failure
- C1782Brake Light Switch Circuit Malfunction (Suspension)
- C1791Air Suspension LR Air Spring/Shock Solenoid Output Circuit Open
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This page is general information; an exact diagnosis needs measurements and a technician’s check.