The definition of the engine C1955 Code is found online but do not use that meaning for fixing the car engine problem. Do not use wrong meaning of the code for solving the car engine problem. If you use wrong meaning of the code, you may bring more new problems in the car engine. The automobile dictionary meaning is also wrong meaning for your car. You should confirm that thing first. If you do not check the car engine, you cannot identify the real meaning of the code. According to the symptoms, you can know the problem about and solve the car engine problem. The automobile meaning of the engine code is found for free online and it is C for Chassis Code Problem is controller area network wiring bus and modules. 1 for MFG – Manufacturer Specific. 9 for Fuel And Air Metering (Injector Circuit Malfunctions Only). 5 for TP Sensor Learn Not Complete and 5 for Park or Neutral Position (PNP) Switch Circuit Engine Torque Signal Circuit.
If you want to fix the car engine problem, you need to have all tools and expertise. If you are not able to solve the car engine problem, you should not try to fix the car engine and hand over the car to professional.