garajizOBD-II code · manufacturer-specific
P1594
Automatic Transmission Diagnosis Input Signal Circuit Malfunction
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1594 mean?
P1594 is defined as “Automatic Transmission Diagnosis Input Signal 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.
- Subaru: Automatic Transmission Diagnosis Input Signal Circuit Malfunction
- BMW: B Camshaft Position Actuator Control Open Circuit Bank 2
- Dodge, Jeep, Plymouth, Pontiac: Charging System Voltage Too High
Related codes
- P1593DISA Control Circuit Electrical
- P1595Automatic Transmission Diagnosis Input Signal Circuit Low Input
- P1596Automatic Transmission Diagnosis Input Signal Circuit High Input
- P1589TCU Detected IPE Circuit Malfunction
- P15A1Motor driver module temperature signal circuit high
- P15A2Motor driver module voltage signal circuit low input
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.