garajizOBD-II code · manufacturer-specific
P1790
Transmission Mechanical Failure - First And Second
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1790 mean?
P1790 is defined as “Transmission Mechanical Failure - First And Second”.
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.
- Jaguar: Ignition Supply Malfunction
- Acura, Honda, Infiniti: TCM A/T TP Sensor Circuit Fault
- Citroen, Diğer, Peugeot: TP (Mechanical) Circuit Malfunction
- Mazda, Nissan: TP Mechanical Circuit
- Buick, Cadillac, Chevrolet, GM, GMC, Oldsmobile, Saturn: Transmission Control Module Checksum
- Volkswagen: Transmission Range Display Circuit Open
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This page is general information; an exact diagnosis needs measurements and a technician’s check.