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C1165 Engine Trouble Code

Meaning of C1165 engine trouble code is : C1165 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.

C1165 Possible Solution:

C1165 Engine

Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. In Key On, Engine Running Self-Test, this DTC indicates that the PSP input did not change state. Steering wheel must be turned during Key On, Engine Running Self-Test PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged.

C1165 Code Meaning :

C 1 1 6 5
OBD-II Diagnostic Chassis (C) Trouble Code For Engine Fuel And Air Metering Fuel Rail/System Pressure - Too High Cylinder 4 Contribution/Balance Fault Crankshaft Position Sensor B Circuit Malfunction

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

C1165 OBD-II Diagnostic Chassis (C) Trouble Code Description

C1165 OBD-II Trouble Code The ABS module receives wheel speed readings from each wheel speed sensor and processes this information to determine if an ABS event is necessary. The wheel speed sensor detects the magnetic field of C1165 code.

Reason For C1165 Code

The reason of C1165 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.

C1165 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.