garajizOBD-II code · manufacturer-specific
P1904
Transmission Transfer Case Contact Plate Ground Return Open Circuit
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1904 mean?
P1904 is defined as “Transmission Transfer Case Contact Plate Ground Return Open Circuit”.
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.
- Ford, Lincoln, Mercury: Kickdown Solenoid Circuit High Voltage
- Diğer: Pressure Control Solenoid "C" Open Circuit
- Citroen, Peugeot: Pressure Control Solenoid -C- Open Circuit
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This page is general information; an exact diagnosis needs measurements and a technician’s check.