Kia M-Car P171C Code:

OBD-II Diagnostic Powertrain (P) Trouble Code

Trouble In Kia M-Car P171C Possible Cause

The most common cause for this Kia M-Car P171C type of failure is due to liquids spilled on the upshift/downshift switch. Open or shorted electrical wiring, damaged, corroded, or disconnected wiring or connectors are also a viable possibility.

Common Symptoms For Kia M-Car P171C

  1. These controllers control virtually every electrical function of the vehicle, with the PCM being the primary controller
  2. Unlike other diagnostic codes, this type of code can sometimes be best left to a professional simply because of the bulk of circuitry involved
  3. Several tools will be instrumental in successfully diagnosing this code
  4. Typical causes of low pump pressure include clogged hydraulic passages, a defective pump, faulty shift solenoids, or a faulty electronic pressure regulator

Similar Problems

Vehicle Speed Control And Idle Control System
Vehicle Speed Output Circuit
TFP Valve Position Switch-Drive Without Drive Ratio

Kia M-Car P171C Troubleshooting

Having one of the signs of a bad gasket is usually not enough to prove a failure of a gasket, but multiple symptoms are most likely the result of gasket failure. It is advisable to have the vehicle driven as little as possible whenever the symptoms occur. Depending on the symptoms, either have the gasket replaced or repaired.
The cost of replacing a gasket usually varies from one mechanic to the other. Replacing a gasket is quite expensive in modern engines due to their location and the amount of labor that is required to replace them. Kia M-Car P171C OBD2 specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.

How to turn off Kia M-Car P171C check engine light ?

There are two ways to turn off the check engine light:

A repair technician can do so once repairs have been made.
The OBD II can automatically turn it off when it fails to detect the problem after several diagnostic cycles.

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