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B1949 Engine Trouble Code

Meaning of B1949 engine trouble code is a kind of body trouble code and when your car's 'B1949 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

B1949 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting
If one of these reasons for B1949 code is occuring now you should check B1949 repair processes.
Now don't ask yourself; What should you do with B1949 code ?
The solution is here :

B1949 Possible Solution:

B1949 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.

B1949 Code Meaning :

B 1 9 4 9
OBD-II Diagnostic Body (B) Trouble Code For Engine Fuel And Air Metering Injector Circuit Malfunction - Cylinders Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector) Reverse Input Circuit

Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.

B1949 OBD-II Diagnostic Body (B) Trouble Code Description

B1949 engine trouble code is about Reverse Input Circuit.

Main reason For B1949 Code

The reason of B1949 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.

B1949 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.