P1798

Manufacturer-specific fault code

This code has different meanings depending on the manufacturer. Select your vehicle make below to view specific diagnosis and solutions:

Code breakdown

P — System

Powertrain (engine, transmission, fuel & emissions)

1 — Type

Manufacturer-specific

7 — Subsystem

Transmission

Fiat
Circuito temperatura liquido di raffreddamento (Mazda) o malfunzionamento circuito TCM/INST CAN
Mazda Nissan
Coolant Temperature Circuit
Jaguar
CAN TCM INST Circuit Malfunction
Volkswagen
Output Speed Sensor 2 Circuit Range Performance