garajizOBD-II code · manufacturer-specific
P1804
Hold Switch Circuit Malfunction
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1804 mean?
P1804 is defined as “Hold Switch Circuit 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.
- Buick, Cadillac, Chevrolet, GM, GMC, Oldsmobile, Saturn: Ground Control Relay
- Ford, Lincoln, Mercury: Transmission 4-Wheel Drive High Indicator Circuit Failure
Related codes
- P1802Neutral Switch Circuit Malfunction
- P1801Kick Down Switch Circuit Malfunction
- P1800Idle Switch Circuit Malfunction
- P1809Transmission 4-Wheel Drive High Indicator Circuit Failure
- P1810Transmission 4-Wheel Drive High Indicator Open Circuit
- P1811Transmission 4-Wheel Drive High Indicator Short Circuit To Battery
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.