TVR M C2549 Code:

OBD-II Diagnostic Chassis (C) Trouble Code

Trouble In TVR M C2549 Possible Cause

TVR M C2549 code applies to vehicles equipped with dual clutch adaptive transmissions, automated manual transmissions, manual transmissions and automatic transmissions. Technicians also report the presence of excessive corrosion in the sensor connector as the cause of this code being stored.

Common Symptoms For TVR M C2549

  1. As the input shaft is turned (by the engine) the electro magnetic input/turbine speed sensor uses the spaces between the splines to provide voltage signal interruptions in the circuit
  2. If the resistance level does not decrease with heat and increase as it cools, replace the sensor. If everything has checked out thus far, turn the key to the "ON" position and test for the presence of a voltage (and a ground signal) at the exhaust gas temperature/pressure (or heated oxygen) sensor electrical connector
  3. If the initial resistance is within specifications, leave the leads of the digital volt/ohmmeter connected and heat the resistor with a heat gun
  4. If the fuel shutoff switch and all system circuitry checks out, suspect a defective PCM (or other related controller)

Similar Problems

Transmission
IC Circuit High Voltage
TFP Valve Position Switch-Drive Without Drive Ratio

TVR M C2549 Troubleshooting

If this is the case with the code, you will be hearing very loud noises, like explosions, from the rear of the vehicle upon acceleration. Firstly check the carburetor to ensure that the fuel and air combination are properly balanced. If these settings are correct, then thoroughly inspect the distributor cap for any cracks or hairline splits, as this can produce a backfire. Move on to the spark plugs and ensure that they are clean and undamaged and inspect the engine gaskets for any sign of damage, as they are responsible for ensuring the correct gas exchange within the engine. TVR M C2549 OBD 2 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.

How to turn off TVR M C2549 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.

EngineTroubles.com Logo

Copyright © 2017 | http://www.EngineTroubles.com | All Rights Reserved.