OBD-II code · manufacturer-specific
C1934
HPU (Hydraulic Pump Unit) Pressurisation Failure
- System
- C — Chassis (ABS / brakes / suspension)
- Severity
- High (4/5)
- Can I keep driving?
- Drive with caution
What does C1934 mean?
C1934 is defined as “HPU (Hydraulic Pump Unit) Pressurisation Failure”.
Drive gently and only as far as you need to; have it checked as soon as possible.
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This page is general information; an exact diagnosis needs measurements and a technician’s check.